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Finding the Third Proportional to 348.88 and 560.19

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Solution

The third proportional to 348.88 and 560.19 is: 899.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.88 : 560.19 = 560.19 : x
  2. Step 2: Convert to fraction form
    348.88/560.19 = 560.19/x
  3. Step 3: Cross multiply
    348.88x = 560.19 × 560.19
  4. Step 4: Simplify right side
    348.88x = 313,810.04
  5. Step 5: Solve for x
    x = 313,810.04/348.88
  6. Step 6: Final answer
    x = 899.49

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.