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Finding the Third Proportional to 77,592,465 and 129,315,567

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Solution

The third proportional to 77,592,465 and 129,315,567 is: 215,517,265.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,592,465 : 129,315,567 = 129,315,567 : x
  2. Step 2: Convert to fraction form
    77,592,465/129,315,567 = 129,315,567/x
  3. Step 3: Cross multiply
    77,592,465x = 129,315,567 × 129,315,567
  4. Step 4: Simplify right side
    77,592,465x = 16,722,515,868,531,488
  5. Step 5: Solve for x
    x = 16,722,515,868,531,488/77,592,465
  6. Step 6: Final answer
    x = 215,517,265.35

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.