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Finding the Third Proportional to 126,324 and 272,898

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Solution

The third proportional to 126,324 and 272,898 is: 589,542.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,324 : 272,898 = 272,898 : x
  2. Step 2: Convert to fraction form
    126,324/272,898 = 272,898/x
  3. Step 3: Cross multiply
    126,324x = 272,898 × 272,898
  4. Step 4: Simplify right side
    126,324x = 74,473,318,404
  5. Step 5: Solve for x
    x = 74,473,318,404/126,324
  6. Step 6: Final answer
    x = 589,542.12

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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.