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Finding the Third Proportional to 31,561,516.50 and 67,998,585

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Solution

The third proportional to 31,561,516.50 and 67,998,585 is: 146,501,438.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,561,516.50 : 67,998,585 = 67,998,585 : x
  2. Step 2: Convert to fraction form
    31,561,516.50/67,998,585 = 67,998,585/x
  3. Step 3: Cross multiply
    31,561,516.50x = 67,998,585 × 67,998,585
  4. Step 4: Simplify right side
    31,561,516.50x = 4,623,807,562,002,225
  5. Step 5: Solve for x
    x = 4,623,807,562,002,225/31,561,516.50
  6. Step 6: Final answer
    x = 146,501,438.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.