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Finding the Third Proportional to 63,786.08 and 93,831.70

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Solution

The third proportional to 63,786.08 and 93,831.70 is: 138,029.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,786.08 : 93,831.70 = 93,831.70 : x
  2. Step 2: Convert to fraction form
    63,786.08/93,831.70 = 93,831.70/x
  3. Step 3: Cross multiply
    63,786.08x = 93,831.70 × 93,831.70
  4. Step 4: Simplify right side
    63,786.08x = 8,804,387,411.75
  5. Step 5: Solve for x
    x = 8,804,387,411.75/63,786.08
  6. Step 6: Final answer
    x = 138,029.93

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.