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Finding the Third Proportional to 26,988 and 56,910

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Solution

The third proportional to 26,988 and 56,910 is: 120,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988 : 56,910 = 56,910 : x
  2. Step 2: Convert to fraction form
    26,988/56,910 = 56,910/x
  3. Step 3: Cross multiply
    26,988x = 56,910 × 56,910
  4. Step 4: Simplify right side
    26,988x = 3,238,748,100
  5. Step 5: Solve for x
    x = 3,238,748,100/26,988
  6. Step 6: Final answer
    x = 120,006.97

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.