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Finding the Third Proportional to 113,005.13 and 170,966.81

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Solution

The third proportional to 113,005.13 and 170,966.81 is: 258,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,005.13 : 170,966.81 = 170,966.81 : x
  2. Step 2: Convert to fraction form
    113,005.13/170,966.81 = 170,966.81/x
  3. Step 3: Cross multiply
    113,005.13x = 170,966.81 × 170,966.81
  4. Step 4: Simplify right side
    113,005.13x = 29,229,650,976.41
  5. Step 5: Solve for x
    x = 29,229,650,976.41/113,005.13
  6. Step 6: Final answer
    x = 258,657.75

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.