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Finding the Third Proportional to 272,904 and 587,280

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Solution

The third proportional to 272,904 and 587,280 is: 1,263,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,904 : 587,280 = 587,280 : x
  2. Step 2: Convert to fraction form
    272,904/587,280 = 587,280/x
  3. Step 3: Cross multiply
    272,904x = 587,280 × 587,280
  4. Step 4: Simplify right side
    272,904x = 344,897,798,400
  5. Step 5: Solve for x
    x = 344,897,798,400/272,904
  6. Step 6: Final answer
    x = 1,263,806.31

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.