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Finding the Third Proportional to 4,389.19 and 4,708.13

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Solution

The third proportional to 4,389.19 and 4,708.13 is: 5,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.19 : 4,708.13 = 4,708.13 : x
  2. Step 2: Convert to fraction form
    4,389.19/4,708.13 = 4,708.13/x
  3. Step 3: Cross multiply
    4,389.19x = 4,708.13 × 4,708.13
  4. Step 4: Simplify right side
    4,389.19x = 22,166,441.02
  5. Step 5: Solve for x
    x = 22,166,441.02/4,389.19
  6. Step 6: Final answer
    x = 5,050.24

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Why These Related Problems?

These problems maintain the same ratio (1.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.