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Finding the Third Proportional to 124,712 and 273,256

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Solution

The third proportional to 124,712 and 273,256 is: 598,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,712 : 273,256 = 273,256 : x
  2. Step 2: Convert to fraction form
    124,712/273,256 = 273,256/x
  3. Step 3: Cross multiply
    124,712x = 273,256 × 273,256
  4. Step 4: Simplify right side
    124,712x = 74,668,841,536
  5. Step 5: Solve for x
    x = 74,668,841,536/124,712
  6. Step 6: Final answer
    x = 598,730.21

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.