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Finding the Third Proportional to 8,418,867.75 and 12,313,374

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Solution

The third proportional to 8,418,867.75 and 12,313,374 is: 18,009,450.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418,867.75 : 12,313,374 = 12,313,374 : x
  2. Step 2: Convert to fraction form
    8,418,867.75/12,313,374 = 12,313,374/x
  3. Step 3: Cross multiply
    8,418,867.75x = 12,313,374 × 12,313,374
  4. Step 4: Simplify right side
    8,418,867.75x = 151,619,179,263,876
  5. Step 5: Solve for x
    x = 151,619,179,263,876/8,418,867.75
  6. Step 6: Final answer
    x = 18,009,450.17

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.