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Finding the Third Proportional to 5,141,992 and 9,817,424

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Solution

The third proportional to 5,141,992 and 9,817,424 is: 18,744,061.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141,992 : 9,817,424 = 9,817,424 : x
  2. Step 2: Convert to fraction form
    5,141,992/9,817,424 = 9,817,424/x
  3. Step 3: Cross multiply
    5,141,992x = 9,817,424 × 9,817,424
  4. Step 4: Simplify right side
    5,141,992x = 96,381,813,995,776
  5. Step 5: Solve for x
    x = 96,381,813,995,776/5,141,992
  6. Step 6: Final answer
    x = 18,744,061.44

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.