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Finding the Third Proportional to 10,692 and 15,979.50

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Solution

The third proportional to 10,692 and 15,979.50 is: 23,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692 : 15,979.50 = 15,979.50 : x
  2. Step 2: Convert to fraction form
    10,692/15,979.50 = 15,979.50/x
  3. Step 3: Cross multiply
    10,692x = 15,979.50 × 15,979.50
  4. Step 4: Simplify right side
    10,692x = 255,344,420.25
  5. Step 5: Solve for x
    x = 255,344,420.25/10,692
  6. Step 6: Final answer
    x = 23,881.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.