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Finding the Third Proportional to 77,593,777.88 and 129,317,482.13

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Solution

The third proportional to 77,593,777.88 and 129,317,482.13 is: 215,520,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,593,777.88 : 129,317,482.13 = 129,317,482.13 : x
  2. Step 2: Convert to fraction form
    77,593,777.88/129,317,482.13 = 129,317,482.13/x
  3. Step 3: Cross multiply
    77,593,777.88x = 129,317,482.13 × 129,317,482.13
  4. Step 4: Simplify right side
    77,593,777.88x = 16,723,011,183,149,694
  5. Step 5: Solve for x
    x = 16,723,011,183,149,694/77,593,777.88
  6. Step 6: Final answer
    x = 215,520,002.26

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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.