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Finding the Third Proportional to 17,768 and 26,776

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Solution

The third proportional to 17,768 and 26,776 is: 40,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768 : 26,776 = 26,776 : x
  2. Step 2: Convert to fraction form
    17,768/26,776 = 26,776/x
  3. Step 3: Cross multiply
    17,768x = 26,776 × 26,776
  4. Step 4: Simplify right side
    17,768x = 716,954,176
  5. Step 5: Solve for x
    x = 716,954,176/17,768
  6. Step 6: Final answer
    x = 40,350.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.