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Finding the Third Proportional to 10,554.75 and 15,423.75

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Solution

The third proportional to 10,554.75 and 15,423.75 is: 22,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.75 : 15,423.75 = 15,423.75 : x
  2. Step 2: Convert to fraction form
    10,554.75/15,423.75 = 15,423.75/x
  3. Step 3: Cross multiply
    10,554.75x = 15,423.75 × 15,423.75
  4. Step 4: Simplify right side
    10,554.75x = 237,892,064.06
  5. Step 5: Solve for x
    x = 237,892,064.06/10,554.75
  6. Step 6: Final answer
    x = 22,538.86

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.