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Finding the Third Proportional to 11,688.75 and 25,038

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Solution

The third proportional to 11,688.75 and 25,038 is: 53,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.75 : 25,038 = 25,038 : x
  2. Step 2: Convert to fraction form
    11,688.75/25,038 = 25,038/x
  3. Step 3: Cross multiply
    11,688.75x = 25,038 × 25,038
  4. Step 4: Simplify right side
    11,688.75x = 626,901,444
  5. Step 5: Solve for x
    x = 626,901,444/11,688.75
  6. Step 6: Final answer
    x = 53,632.89

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.