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Finding the Third Proportional to 73,574,898 and 156,114,660

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Solution

The third proportional to 73,574,898 and 156,114,660 is: 331,251,387.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,574,898 : 156,114,660 = 156,114,660 : x
  2. Step 2: Convert to fraction form
    73,574,898/156,114,660 = 156,114,660/x
  3. Step 3: Cross multiply
    73,574,898x = 156,114,660 × 156,114,660
  4. Step 4: Simplify right side
    73,574,898x = 24,371,787,066,915,600
  5. Step 5: Solve for x
    x = 24,371,787,066,915,600/73,574,898
  6. Step 6: Final answer
    x = 331,251,387.76

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.