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Finding the Third Proportional to 124,805 and 269,292

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Solution

The third proportional to 124,805 and 269,292 is: 581,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,805 : 269,292 = 269,292 : x
  2. Step 2: Convert to fraction form
    124,805/269,292 = 269,292/x
  3. Step 3: Cross multiply
    124,805x = 269,292 × 269,292
  4. Step 4: Simplify right side
    124,805x = 72,518,181,264
  5. Step 5: Solve for x
    x = 72,518,181,264/124,805
  6. Step 6: Final answer
    x = 581,051.89

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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.