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Finding the Third Proportional to 5,130.84 and 6,738.19

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Solution

The third proportional to 5,130.84 and 6,738.19 is: 8,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,130.84 : 6,738.19 = 6,738.19 : x
  2. Step 2: Convert to fraction form
    5,130.84/6,738.19 = 6,738.19/x
  3. Step 3: Cross multiply
    5,130.84x = 6,738.19 × 6,738.19
  4. Step 4: Simplify right side
    5,130.84x = 45,403,170.79
  5. Step 5: Solve for x
    x = 45,403,170.79/5,130.84
  6. Step 6: Final answer
    x = 8,849.07

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.