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Finding the Third Proportional to 17,890.13 and 26,288.25

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Solution

The third proportional to 17,890.13 and 26,288.25 is: 38,628.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.13 : 26,288.25 = 26,288.25 : x
  2. Step 2: Convert to fraction form
    17,890.13/26,288.25 = 26,288.25/x
  3. Step 3: Cross multiply
    17,890.13x = 26,288.25 × 26,288.25
  4. Step 4: Simplify right side
    17,890.13x = 691,072,088.06
  5. Step 5: Solve for x
    x = 691,072,088.06/17,890.13
  6. Step 6: Final answer
    x = 38,628.69

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1.5x scale

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.