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Finding the Third Proportional to 185,087 and 279,909

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Solution

The third proportional to 185,087 and 279,909 is: 423,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,087 : 279,909 = 279,909 : x
  2. Step 2: Convert to fraction form
    185,087/279,909 = 279,909/x
  3. Step 3: Cross multiply
    185,087x = 279,909 × 279,909
  4. Step 4: Simplify right side
    185,087x = 78,349,048,281
  5. Step 5: Solve for x
    x = 78,349,048,281/185,087
  6. Step 6: Final answer
    x = 423,309.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.