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Finding the Third Proportional to 12,391,867.50 and 26,988,411

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Solution

The third proportional to 12,391,867.50 and 26,988,411 is: 58,778,414.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391,867.50 : 26,988,411 = 26,988,411 : x
  2. Step 2: Convert to fraction form
    12,391,867.50/26,988,411 = 26,988,411/x
  3. Step 3: Cross multiply
    12,391,867.50x = 26,988,411 × 26,988,411
  4. Step 4: Simplify right side
    12,391,867.50x = 728,374,328,304,921
  5. Step 5: Solve for x
    x = 728,374,328,304,921/12,391,867.50
  6. Step 6: Final answer
    x = 58,778,414.82

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.