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Finding the Third Proportional to 3,875,160.38 and 8,342,648.13

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Solution

The third proportional to 3,875,160.38 and 8,342,648.13 is: 17,960,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875,160.38 : 8,342,648.13 = 8,342,648.13 : x
  2. Step 2: Convert to fraction form
    3,875,160.38/8,342,648.13 = 8,342,648.13/x
  3. Step 3: Cross multiply
    3,875,160.38x = 8,342,648.13 × 8,342,648.13
  4. Step 4: Simplify right side
    3,875,160.38x = 69,599,777,737,566.02
  5. Step 5: Solve for x
    x = 69,599,777,737,566.02/3,875,160.38
  6. Step 6: Final answer
    x = 17,960,489.63

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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.