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Finding the Third Proportional to 14,640.75 and 31,501.13

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Solution

The third proportional to 14,640.75 and 31,501.13 is: 67,778.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.75 : 31,501.13 = 31,501.13 : x
  2. Step 2: Convert to fraction form
    14,640.75/31,501.13 = 31,501.13/x
  3. Step 3: Cross multiply
    14,640.75x = 31,501.13 × 31,501.13
  4. Step 4: Simplify right side
    14,640.75x = 992,320,876.27
  5. Step 5: Solve for x
    x = 992,320,876.27/14,640.75
  6. Step 6: Final answer
    x = 67,778.01

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.