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Finding the Third Proportional to 26,720 and 57,459.50

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Solution

The third proportional to 26,720 and 57,459.50 is: 123,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720 : 57,459.50 = 57,459.50 : x
  2. Step 2: Convert to fraction form
    26,720/57,459.50 = 57,459.50/x
  3. Step 3: Cross multiply
    26,720x = 57,459.50 × 57,459.50
  4. Step 4: Simplify right side
    26,720x = 3,301,594,140.25
  5. Step 5: Solve for x
    x = 3,301,594,140.25/26,720
  6. Step 6: Final answer
    x = 123,562.65

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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.