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Finding the Third Proportional to 15,732,990 and 34,234,722

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Solution

The third proportional to 15,732,990 and 34,234,722 is: 74,494,180.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,732,990 : 34,234,722 = 34,234,722 : x
  2. Step 2: Convert to fraction form
    15,732,990/34,234,722 = 34,234,722/x
  3. Step 3: Cross multiply
    15,732,990x = 34,234,722 × 34,234,722
  4. Step 4: Simplify right side
    15,732,990x = 1,172,016,190,417,284
  5. Step 5: Solve for x
    x = 1,172,016,190,417,284/15,732,990
  6. Step 6: Final answer
    x = 74,494,180.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.