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Finding the Third Proportional to 251,690 and 547,588

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Solution

The third proportional to 251,690 and 547,588 is: 1,191,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,690 : 547,588 = 547,588 : x
  2. Step 2: Convert to fraction form
    251,690/547,588 = 547,588/x
  3. Step 3: Cross multiply
    251,690x = 547,588 × 547,588
  4. Step 4: Simplify right side
    251,690x = 299,852,617,744
  5. Step 5: Solve for x
    x = 299,852,617,744/251,690
  6. Step 6: Final answer
    x = 1,191,356.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.