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Finding the Third Proportional to 321,080 and 497,846

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Solution

The third proportional to 321,080 and 497,846 is: 771,927.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,080 : 497,846 = 497,846 : x
  2. Step 2: Convert to fraction form
    321,080/497,846 = 497,846/x
  3. Step 3: Cross multiply
    321,080x = 497,846 × 497,846
  4. Step 4: Simplify right side
    321,080x = 247,850,639,716
  5. Step 5: Solve for x
    x = 247,850,639,716/321,080
  6. Step 6: Final answer
    x = 771,927.99

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.