Home / 222,140-486,490

Finding the Third Proportional to 222,140 and 486,490

Calculator

Solution

The third proportional to 222,140 and 486,490 is: 1,065,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,140 : 486,490 = 486,490 : x
  2. Step 2: Convert to fraction form
    222,140/486,490 = 486,490/x
  3. Step 3: Cross multiply
    222,140x = 486,490 × 486,490
  4. Step 4: Simplify right side
    222,140x = 236,672,520,100
  5. Step 5: Solve for x
    x = 236,672,520,100/222,140
  6. Step 6: Final answer
    x = 1,065,420.55

Related Problems

Find third proportional to 111,070 and 243,245
Half scale
Find third proportional to 444,280 and 972,980
Double scale
Find third proportional to 222,142 and 486,494
Similar ratio
Find third proportional to 333,210 and 729,735
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.