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Finding the Third Proportional to 177,248 and 272,444

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Solution

The third proportional to 177,248 and 272,444 is: 418,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,248 : 272,444 = 272,444 : x
  2. Step 2: Convert to fraction form
    177,248/272,444 = 272,444/x
  3. Step 3: Cross multiply
    177,248x = 272,444 × 272,444
  4. Step 4: Simplify right side
    177,248x = 74,225,733,136
  5. Step 5: Solve for x
    x = 74,225,733,136/177,248
  6. Step 6: Final answer
    x = 418,767.68

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.