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Finding the Third Proportional to 28,387,866 and 42,534,402

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Solution

The third proportional to 28,387,866 and 42,534,402 is: 63,730,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,387,866 : 42,534,402 = 42,534,402 : x
  2. Step 2: Convert to fraction form
    28,387,866/42,534,402 = 42,534,402/x
  3. Step 3: Cross multiply
    28,387,866x = 42,534,402 × 42,534,402
  4. Step 4: Simplify right side
    28,387,866x = 1,809,175,353,497,604
  5. Step 5: Solve for x
    x = 1,809,175,353,497,604/28,387,866
  6. Step 6: Final answer
    x = 63,730,586.64

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