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Finding the Third Proportional to 15,913.13 and 26,174.81

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Solution

The third proportional to 15,913.13 and 26,174.81 is: 43,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.13 : 26,174.81 = 26,174.81 : x
  2. Step 2: Convert to fraction form
    15,913.13/26,174.81 = 26,174.81/x
  3. Step 3: Cross multiply
    15,913.13x = 26,174.81 × 26,174.81
  4. Step 4: Simplify right side
    15,913.13x = 685,120,809.41
  5. Step 5: Solve for x
    x = 685,120,809.41/15,913.13
  6. Step 6: Final answer
    x = 43,053.82

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.