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Finding the Third Proportional to 15,831.75 and 25,068.75

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Solution

The third proportional to 15,831.75 and 25,068.75 is: 39,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,831.75 : 25,068.75 = 25,068.75 : x
  2. Step 2: Convert to fraction form
    15,831.75/25,068.75 = 25,068.75/x
  3. Step 3: Cross multiply
    15,831.75x = 25,068.75 × 25,068.75
  4. Step 4: Simplify right side
    15,831.75x = 628,442,226.56
  5. Step 5: Solve for x
    x = 628,442,226.56/15,831.75
  6. Step 6: Final answer
    x = 39,695.06

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.