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Finding the Third Proportional to 10,446.25 and 15,671.63

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Solution

The third proportional to 10,446.25 and 15,671.63 is: 23,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,446.25 : 15,671.63 = 15,671.63 : x
  2. Step 2: Convert to fraction form
    10,446.25/15,671.63 = 15,671.63/x
  3. Step 3: Cross multiply
    10,446.25x = 15,671.63 × 15,671.63
  4. Step 4: Simplify right side
    10,446.25x = 245,599,830.14
  5. Step 5: Solve for x
    x = 245,599,830.14/10,446.25
  6. Step 6: Final answer
    x = 23,510.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.