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Finding the Third Proportional to 5,509,874 and 12,866,459

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Solution

The third proportional to 5,509,874 and 12,866,459 is: 30,045,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509,874 : 12,866,459 = 12,866,459 : x
  2. Step 2: Convert to fraction form
    5,509,874/12,866,459 = 12,866,459/x
  3. Step 3: Cross multiply
    5,509,874x = 12,866,459 × 12,866,459
  4. Step 4: Simplify right side
    5,509,874x = 165,545,767,198,681
  5. Step 5: Solve for x
    x = 165,545,767,198,681/5,509,874
  6. Step 6: Final answer
    x = 30,045,290.91

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.