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Finding the Third Proportional to 104,020 and 161,382

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Solution

The third proportional to 104,020 and 161,382 is: 250,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,020 : 161,382 = 161,382 : x
  2. Step 2: Convert to fraction form
    104,020/161,382 = 161,382/x
  3. Step 3: Cross multiply
    104,020x = 161,382 × 161,382
  4. Step 4: Simplify right side
    104,020x = 26,044,149,924
  5. Step 5: Solve for x
    x = 26,044,149,924/104,020
  6. Step 6: Final answer
    x = 250,376.37

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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.