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Finding the Third Proportional to 122,959 and 253,584

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Solution

The third proportional to 122,959 and 253,584 is: 522,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,959 : 253,584 = 253,584 : x
  2. Step 2: Convert to fraction form
    122,959/253,584 = 253,584/x
  3. Step 3: Cross multiply
    122,959x = 253,584 × 253,584
  4. Step 4: Simplify right side
    122,959x = 64,304,845,056
  5. Step 5: Solve for x
    x = 64,304,845,056/122,959
  6. Step 6: Final answer
    x = 522,977.94

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.