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Finding the Third Proportional to 5,959,890 and 12,872,394

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Solution

The third proportional to 5,959,890 and 12,872,394 is: 27,802,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,959,890 : 12,872,394 = 12,872,394 : x
  2. Step 2: Convert to fraction form
    5,959,890/12,872,394 = 12,872,394/x
  3. Step 3: Cross multiply
    5,959,890x = 12,872,394 × 12,872,394
  4. Step 4: Simplify right side
    5,959,890x = 165,698,527,291,236
  5. Step 5: Solve for x
    x = 165,698,527,291,236/5,959,890
  6. Step 6: Final answer
    x = 27,802,279.45

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.