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Finding the Third Proportional to 1,459.13 and 3,539.81

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Solution

The third proportional to 1,459.13 and 3,539.81 is: 8,587.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.13 : 3,539.81 = 3,539.81 : x
  2. Step 2: Convert to fraction form
    1,459.13/3,539.81 = 3,539.81/x
  3. Step 3: Cross multiply
    1,459.13x = 3,539.81 × 3,539.81
  4. Step 4: Simplify right side
    1,459.13x = 12,530,272.54
  5. Step 5: Solve for x
    x = 12,530,272.54/1,459.13
  6. Step 6: Final answer
    x = 8,587.53

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Why These Related Problems?

These problems maintain the same ratio (2.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.