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Finding the Third Proportional to 261,912 and 571,800

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Solution

The third proportional to 261,912 and 571,800 is: 1,248,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,912 : 571,800 = 571,800 : x
  2. Step 2: Convert to fraction form
    261,912/571,800 = 571,800/x
  3. Step 3: Cross multiply
    261,912x = 571,800 × 571,800
  4. Step 4: Simplify right side
    261,912x = 326,955,240,000
  5. Step 5: Solve for x
    x = 326,955,240,000/261,912
  6. Step 6: Final answer
    x = 1,248,340.05

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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.