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Finding the Third Proportional to 74,927.50 and 160,517

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Solution

The third proportional to 74,927.50 and 160,517 is: 343,875.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,927.50 : 160,517 = 160,517 : x
  2. Step 2: Convert to fraction form
    74,927.50/160,517 = 160,517/x
  3. Step 3: Cross multiply
    74,927.50x = 160,517 × 160,517
  4. Step 4: Simplify right side
    74,927.50x = 25,765,707,289
  5. Step 5: Solve for x
    x = 25,765,707,289/74,927.50
  6. Step 6: Final answer
    x = 343,875.18

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.