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Finding the Third Proportional to 74,810 and 160,582

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Solution

The third proportional to 74,810 and 160,582 is: 344,694.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,810 : 160,582 = 160,582 : x
  2. Step 2: Convert to fraction form
    74,810/160,582 = 160,582/x
  3. Step 3: Cross multiply
    74,810x = 160,582 × 160,582
  4. Step 4: Simplify right side
    74,810x = 25,786,578,724
  5. Step 5: Solve for x
    x = 25,786,578,724/74,810
  6. Step 6: Final answer
    x = 344,694.28

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.