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Finding the Third Proportional to 1,347.57 and 2,944.79

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Solution

The third proportional to 1,347.57 and 2,944.79 is: 6,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347.57 : 2,944.79 = 2,944.79 : x
  2. Step 2: Convert to fraction form
    1,347.57/2,944.79 = 2,944.79/x
  3. Step 3: Cross multiply
    1,347.57x = 2,944.79 × 2,944.79
  4. Step 4: Simplify right side
    1,347.57x = 8,671,805.63
  5. Step 5: Solve for x
    x = 8,671,805.63/1,347.57
  6. Step 6: Final answer
    x = 6,435.12

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.