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Finding the Third Proportional to 4,865.63 and 5,365.13

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Solution

The third proportional to 4,865.63 and 5,365.13 is: 5,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.63 : 5,365.13 = 5,365.13 : x
  2. Step 2: Convert to fraction form
    4,865.63/5,365.13 = 5,365.13/x
  3. Step 3: Cross multiply
    4,865.63x = 5,365.13 × 5,365.13
  4. Step 4: Simplify right side
    4,865.63x = 28,784,566.27
  5. Step 5: Solve for x
    x = 28,784,566.27/4,865.63
  6. Step 6: Final answer
    x = 5,915.90

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.