Home / 305,303-661,426

Finding the Third Proportional to 305,303 and 661,426

Calculator

Solution

The third proportional to 305,303 and 661,426 is: 1,432,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,303 : 661,426 = 661,426 : x
  2. Step 2: Convert to fraction form
    305,303/661,426 = 661,426/x
  3. Step 3: Cross multiply
    305,303x = 661,426 × 661,426
  4. Step 4: Simplify right side
    305,303x = 437,484,353,476
  5. Step 5: Solve for x
    x = 437,484,353,476/305,303
  6. Step 6: Final answer
    x = 1,432,951.37

Related Problems

Find third proportional to 152,651.50 and 330,713
Half scale
Find third proportional to 610,606 and 1,322,852
Double scale
Find third proportional to 305,305 and 661,430
Similar ratio
Find third proportional to 457,954.50 and 992,139
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.