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Finding the Third Proportional to 80,360 and 153,424

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Solution

The third proportional to 80,360 and 153,424 is: 292,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,360 : 153,424 = 153,424 : x
  2. Step 2: Convert to fraction form
    80,360/153,424 = 153,424/x
  3. Step 3: Cross multiply
    80,360x = 153,424 × 153,424
  4. Step 4: Simplify right side
    80,360x = 23,538,923,776
  5. Step 5: Solve for x
    x = 23,538,923,776/80,360
  6. Step 6: Final answer
    x = 292,918.41

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.