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Finding the Third Proportional to 121,845 and 282,048

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Solution

The third proportional to 121,845 and 282,048 is: 652,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,845 : 282,048 = 282,048 : x
  2. Step 2: Convert to fraction form
    121,845/282,048 = 282,048/x
  3. Step 3: Cross multiply
    121,845x = 282,048 × 282,048
  4. Step 4: Simplify right side
    121,845x = 79,551,074,304
  5. Step 5: Solve for x
    x = 79,551,074,304/121,845
  6. Step 6: Final answer
    x = 652,887.47

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.