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Finding the Third Proportional to 125,439 and 271,324.50

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Solution

The third proportional to 125,439 and 271,324.50 is: 586,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,439 : 271,324.50 = 271,324.50 : x
  2. Step 2: Convert to fraction form
    125,439/271,324.50 = 271,324.50/x
  3. Step 3: Cross multiply
    125,439x = 271,324.50 × 271,324.50
  4. Step 4: Simplify right side
    125,439x = 73,616,984,300.25
  5. Step 5: Solve for x
    x = 73,616,984,300.25/125,439
  6. Step 6: Final answer
    x = 586,874.77

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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.