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Finding the Third Proportional to 176,282.25 and 268,557

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Solution

The third proportional to 176,282.25 and 268,557 is: 409,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,282.25 : 268,557 = 268,557 : x
  2. Step 2: Convert to fraction form
    176,282.25/268,557 = 268,557/x
  3. Step 3: Cross multiply
    176,282.25x = 268,557 × 268,557
  4. Step 4: Simplify right side
    176,282.25x = 72,122,862,249
  5. Step 5: Solve for x
    x = 72,122,862,249/176,282.25
  6. Step 6: Final answer
    x = 409,132.87

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.