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Finding the Third Proportional to 129,348 and 277,596

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Solution

The third proportional to 129,348 and 277,596 is: 595,753.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,348 : 277,596 = 277,596 : x
  2. Step 2: Convert to fraction form
    129,348/277,596 = 277,596/x
  3. Step 3: Cross multiply
    129,348x = 277,596 × 277,596
  4. Step 4: Simplify right side
    129,348x = 77,059,539,216
  5. Step 5: Solve for x
    x = 77,059,539,216/129,348
  6. Step 6: Final answer
    x = 595,753.62

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.