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Finding the Third Proportional to 8,447,658.75 and 13,086,532.13

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Solution

The third proportional to 8,447,658.75 and 13,086,532.13 is: 20,272,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447,658.75 : 13,086,532.13 = 13,086,532.13 : x
  2. Step 2: Convert to fraction form
    8,447,658.75/13,086,532.13 = 13,086,532.13/x
  3. Step 3: Cross multiply
    8,447,658.75x = 13,086,532.13 × 13,086,532.13
  4. Step 4: Simplify right side
    8,447,658.75x = 171,257,323,058,657
  5. Step 5: Solve for x
    x = 171,257,323,058,657/8,447,658.75
  6. Step 6: Final answer
    x = 20,272,755.82

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.