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Finding the Third Proportional to 71,560,017 and 157,178,205

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Solution

The third proportional to 71,560,017 and 157,178,205 is: 345,234,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,560,017 : 157,178,205 = 157,178,205 : x
  2. Step 2: Convert to fraction form
    71,560,017/157,178,205 = 157,178,205/x
  3. Step 3: Cross multiply
    71,560,017x = 157,178,205 × 157,178,205
  4. Step 4: Simplify right side
    71,560,017x = 24,704,988,127,022,024
  5. Step 5: Solve for x
    x = 24,704,988,127,022,024/71,560,017
  6. Step 6: Final answer
    x = 345,234,520.10

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.