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Finding the Third Proportional to 25,287 and 36,423.75

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Solution

The third proportional to 25,287 and 36,423.75 is: 52,465.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287 : 36,423.75 = 36,423.75 : x
  2. Step 2: Convert to fraction form
    25,287/36,423.75 = 36,423.75/x
  3. Step 3: Cross multiply
    25,287x = 36,423.75 × 36,423.75
  4. Step 4: Simplify right side
    25,287x = 1,326,689,564.06
  5. Step 5: Solve for x
    x = 1,326,689,564.06/25,287
  6. Step 6: Final answer
    x = 52,465.28

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.