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Finding the Third Proportional to 162,456.75 and 251,060.63

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Solution

The third proportional to 162,456.75 and 251,060.63 is: 387,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,456.75 : 251,060.63 = 251,060.63 : x
  2. Step 2: Convert to fraction form
    162,456.75/251,060.63 = 251,060.63/x
  3. Step 3: Cross multiply
    162,456.75x = 251,060.63 × 251,060.63
  4. Step 4: Simplify right side
    162,456.75x = 63,031,437,425.39
  5. Step 5: Solve for x
    x = 63,031,437,425.39/162,456.75
  6. Step 6: Final answer
    x = 387,989.03

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.