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Finding the Third Proportional to 129,566,722 and 198,680,595

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Solution

The third proportional to 129,566,722 and 198,680,595 is: 304,661,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,566,722 : 198,680,595 = 198,680,595 : x
  2. Step 2: Convert to fraction form
    129,566,722/198,680,595 = 198,680,595/x
  3. Step 3: Cross multiply
    129,566,722x = 198,680,595 × 198,680,595
  4. Step 4: Simplify right side
    129,566,722x = 39,473,978,829,554,024
  5. Step 5: Solve for x
    x = 39,473,978,829,554,024/129,566,722
  6. Step 6: Final answer
    x = 304,661,399.32

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.