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Finding the Third Proportional to 261,366 and 566,987

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Solution

The third proportional to 261,366 and 566,987 is: 1,229,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,366 : 566,987 = 566,987 : x
  2. Step 2: Convert to fraction form
    261,366/566,987 = 566,987/x
  3. Step 3: Cross multiply
    261,366x = 566,987 × 566,987
  4. Step 4: Simplify right side
    261,366x = 321,474,258,169
  5. Step 5: Solve for x
    x = 321,474,258,169/261,366
  6. Step 6: Final answer
    x = 1,229,977.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.