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Finding the Third Proportional to 5,487,488 and 11,817,806

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Solution

The third proportional to 5,487,488 and 11,817,806 is: 25,450,723.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487,488 : 11,817,806 = 11,817,806 : x
  2. Step 2: Convert to fraction form
    5,487,488/11,817,806 = 11,817,806/x
  3. Step 3: Cross multiply
    5,487,488x = 11,817,806 × 11,817,806
  4. Step 4: Simplify right side
    5,487,488x = 139,660,538,653,636
  5. Step 5: Solve for x
    x = 139,660,538,653,636/5,487,488
  6. Step 6: Final answer
    x = 25,450,723.29

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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.