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Finding the Third Proportional to 10,342.81 and 15,982.25

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Solution

The third proportional to 10,342.81 and 15,982.25 is: 24,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.81 : 15,982.25 = 15,982.25 : x
  2. Step 2: Convert to fraction form
    10,342.81/15,982.25 = 15,982.25/x
  3. Step 3: Cross multiply
    10,342.81x = 15,982.25 × 15,982.25
  4. Step 4: Simplify right side
    10,342.81x = 255,432,315.06
  5. Step 5: Solve for x
    x = 255,432,315.06/10,342.81
  6. Step 6: Final answer
    x = 24,696.60

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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.