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Finding the Third Proportional to 1,259.44 and 1,958.34

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Solution

The third proportional to 1,259.44 and 1,958.34 is: 3,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259.44 : 1,958.34 = 1,958.34 : x
  2. Step 2: Convert to fraction form
    1,259.44/1,958.34 = 1,958.34/x
  3. Step 3: Cross multiply
    1,259.44x = 1,958.34 × 1,958.34
  4. Step 4: Simplify right side
    1,259.44x = 3,835,110.24
  5. Step 5: Solve for x
    x = 3,835,110.24/1,259.44
  6. Step 6: Final answer
    x = 3,045.10

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.