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Finding the Third Proportional to 1,459.90 and 3,134.32

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Solution

The third proportional to 1,459.90 and 3,134.32 is: 6,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.90 : 3,134.32 = 3,134.32 : x
  2. Step 2: Convert to fraction form
    1,459.90/3,134.32 = 3,134.32/x
  3. Step 3: Cross multiply
    1,459.90x = 3,134.32 × 3,134.32
  4. Step 4: Simplify right side
    1,459.90x = 9,823,963.82
  5. Step 5: Solve for x
    x = 9,823,963.82/1,459.90
  6. Step 6: Final answer
    x = 6,729.21

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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.