Home / 30,680,370-65,615,906.25

Finding the Third Proportional to 30,680,370 and 65,615,906.25

Calculator

Solution

The third proportional to 30,680,370 and 65,615,906.25 is: 140,332,308.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680,370 : 65,615,906.25 = 65,615,906.25 : x
  2. Step 2: Convert to fraction form
    30,680,370/65,615,906.25 = 65,615,906.25/x
  3. Step 3: Cross multiply
    30,680,370x = 65,615,906.25 × 65,615,906.25
  4. Step 4: Simplify right side
    30,680,370x = 4,305,447,153,008,789
  5. Step 5: Solve for x
    x = 4,305,447,153,008,789/30,680,370
  6. Step 6: Final answer
    x = 140,332,308.67

Related Problems

Find third proportional to 15,340,185 and 32,807,953.13
Half scale
Find third proportional to 61,360,740 and 131,231,812.50
Double scale
Find third proportional to 30,680,372 and 65,615,911
Similar ratio
Find third proportional to 46,020,555 and 98,423,859.38
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.