Home / 387,102-569,262

Finding the Third Proportional to 387,102 and 569,262

Calculator

Solution

The third proportional to 387,102 and 569,262 is: 837,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,102 : 569,262 = 569,262 : x
  2. Step 2: Convert to fraction form
    387,102/569,262 = 569,262/x
  3. Step 3: Cross multiply
    387,102x = 569,262 × 569,262
  4. Step 4: Simplify right side
    387,102x = 324,059,224,644
  5. Step 5: Solve for x
    x = 324,059,224,644/387,102
  6. Step 6: Final answer
    x = 837,141.70

Related Problems

Find third proportional to 193,551 and 284,631
Half scale
Find third proportional to 774,204 and 1,138,524
Double scale
Find third proportional to 387,104 and 569,265
Similar ratio
Find third proportional to 580,653 and 853,893
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.