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Finding the Third Proportional to 31,786.13 and 46,707

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Solution

The third proportional to 31,786.13 and 46,707 is: 68,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,786.13 : 46,707 = 46,707 : x
  2. Step 2: Convert to fraction form
    31,786.13/46,707 = 46,707/x
  3. Step 3: Cross multiply
    31,786.13x = 46,707 × 46,707
  4. Step 4: Simplify right side
    31,786.13x = 2,181,543,849
  5. Step 5: Solve for x
    x = 2,181,543,849/31,786.13
  6. Step 6: Final answer
    x = 68,631.95

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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.