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Finding the Third Proportional to 57,720,200 and 86,656,291

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Solution

The third proportional to 57,720,200 and 86,656,291 is: 130,098,523.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,720,200 : 86,656,291 = 86,656,291 : x
  2. Step 2: Convert to fraction form
    57,720,200/86,656,291 = 86,656,291/x
  3. Step 3: Cross multiply
    57,720,200x = 86,656,291 × 86,656,291
  4. Step 4: Simplify right side
    57,720,200x = 7,509,312,769,876,681
  5. Step 5: Solve for x
    x = 7,509,312,769,876,681/57,720,200
  6. Step 6: Final answer
    x = 130,098,523.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.