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Finding the Third Proportional to 258,482 and 558,484

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Solution

The third proportional to 258,482 and 558,484 is: 1,206,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,482 : 558,484 = 558,484 : x
  2. Step 2: Convert to fraction form
    258,482/558,484 = 558,484/x
  3. Step 3: Cross multiply
    258,482x = 558,484 × 558,484
  4. Step 4: Simplify right side
    258,482x = 311,904,378,256
  5. Step 5: Solve for x
    x = 311,904,378,256/258,482
  6. Step 6: Final answer
    x = 1,206,677.36

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.