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Finding the Third Proportional to 57,720,197.50 and 86,656,287.75

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Solution

The third proportional to 57,720,197.50 and 86,656,287.75 is: 130,098,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,720,197.50 : 86,656,287.75 = 86,656,287.75 : x
  2. Step 2: Convert to fraction form
    57,720,197.50/86,656,287.75 = 86,656,287.75/x
  3. Step 3: Cross multiply
    57,720,197.50x = 86,656,287.75 × 86,656,287.75
  4. Step 4: Simplify right side
    57,720,197.50x = 7,509,312,206,610,800
  5. Step 5: Solve for x
    x = 7,509,312,206,610,800/57,720,197.50
  6. Step 6: Final answer
    x = 130,098,518.92

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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.