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Finding the Third Proportional to 10,599.75 and 12,381.75

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Solution

The third proportional to 10,599.75 and 12,381.75 is: 14,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,599.75 : 12,381.75 = 12,381.75 : x
  2. Step 2: Convert to fraction form
    10,599.75/12,381.75 = 12,381.75/x
  3. Step 3: Cross multiply
    10,599.75x = 12,381.75 × 12,381.75
  4. Step 4: Simplify right side
    10,599.75x = 153,307,733.06
  5. Step 5: Solve for x
    x = 153,307,733.06/10,599.75
  6. Step 6: Final answer
    x = 14,463.33

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.