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Finding the Third Proportional to 131,062,719 and 218,411,674.50

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Solution

The third proportional to 131,062,719 and 218,411,674.50 is: 363,975,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,062,719 : 218,411,674.50 = 218,411,674.50 : x
  2. Step 2: Convert to fraction form
    131,062,719/218,411,674.50 = 218,411,674.50/x
  3. Step 3: Cross multiply
    131,062,719x = 218,411,674.50 × 218,411,674.50
  4. Step 4: Simplify right side
    131,062,719x = 47,703,659,557,893,952
  5. Step 5: Solve for x
    x = 47,703,659,557,893,952/131,062,719
  6. Step 6: Final answer
    x = 363,975,811.90

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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.