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Finding the Third Proportional to 5,598.50 and 8,738.13

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Solution

The third proportional to 5,598.50 and 8,738.13 is: 13,638.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,598.50 : 8,738.13 = 8,738.13 : x
  2. Step 2: Convert to fraction form
    5,598.50/8,738.13 = 8,738.13/x
  3. Step 3: Cross multiply
    5,598.50x = 8,738.13 × 8,738.13
  4. Step 4: Simplify right side
    5,598.50x = 76,354,828.52
  5. Step 5: Solve for x
    x = 76,354,828.52/5,598.50
  6. Step 6: Final answer
    x = 13,638.44

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.