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Finding the Third Proportional to 10,342.13 and 15,436.13

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Solution

The third proportional to 10,342.13 and 15,436.13 is: 23,039.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.13 : 15,436.13 = 15,436.13 : x
  2. Step 2: Convert to fraction form
    10,342.13/15,436.13 = 15,436.13/x
  3. Step 3: Cross multiply
    10,342.13x = 15,436.13 × 15,436.13
  4. Step 4: Simplify right side
    10,342.13x = 238,273,955.02
  5. Step 5: Solve for x
    x = 238,273,955.02/10,342.13
  6. Step 6: Final answer
    x = 23,039.17

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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.