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Finding the Third Proportional to 77,360 and 169,654

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Solution

The third proportional to 77,360 and 169,654 is: 372,058.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,360 : 169,654 = 169,654 : x
  2. Step 2: Convert to fraction form
    77,360/169,654 = 169,654/x
  3. Step 3: Cross multiply
    77,360x = 169,654 × 169,654
  4. Step 4: Simplify right side
    77,360x = 28,782,479,716
  5. Step 5: Solve for x
    x = 28,782,479,716/77,360
  6. Step 6: Final answer
    x = 372,058.94

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.