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Finding the Third Proportional to 127,574 and 279,468

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Solution

The third proportional to 127,574 and 279,468 is: 612,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,574 : 279,468 = 279,468 : x
  2. Step 2: Convert to fraction form
    127,574/279,468 = 279,468/x
  3. Step 3: Cross multiply
    127,574x = 279,468 × 279,468
  4. Step 4: Simplify right side
    127,574x = 78,102,363,024
  5. Step 5: Solve for x
    x = 78,102,363,024/127,574
  6. Step 6: Final answer
    x = 612,212.23

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.