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Finding the Third Proportional to 615,439 and 1,279,802

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Solution

The third proportional to 615,439 and 1,279,802 is: 2,661,341.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,439 : 1,279,802 = 1,279,802 : x
  2. Step 2: Convert to fraction form
    615,439/1,279,802 = 1,279,802/x
  3. Step 3: Cross multiply
    615,439x = 1,279,802 × 1,279,802
  4. Step 4: Simplify right side
    615,439x = 1,637,893,159,204
  5. Step 5: Solve for x
    x = 1,637,893,159,204/615,439
  6. Step 6: Final answer
    x = 2,661,341.19

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.