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Finding the Third Proportional to 10,383.75 and 15,585.75

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Solution

The third proportional to 10,383.75 and 15,585.75 is: 23,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.75 : 15,585.75 = 15,585.75 : x
  2. Step 2: Convert to fraction form
    10,383.75/15,585.75 = 15,585.75/x
  3. Step 3: Cross multiply
    10,383.75x = 15,585.75 × 15,585.75
  4. Step 4: Simplify right side
    10,383.75x = 242,915,603.06
  5. Step 5: Solve for x
    x = 242,915,603.06/10,383.75
  6. Step 6: Final answer
    x = 23,393.82

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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.