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Finding the Third Proportional to 4,810.50 and 5,161.50

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Solution

The third proportional to 4,810.50 and 5,161.50 is: 5,538.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.50 : 5,161.50 = 5,161.50 : x
  2. Step 2: Convert to fraction form
    4,810.50/5,161.50 = 5,161.50/x
  3. Step 3: Cross multiply
    4,810.50x = 5,161.50 × 5,161.50
  4. Step 4: Simplify right side
    4,810.50x = 26,641,082.25
  5. Step 5: Solve for x
    x = 26,641,082.25/4,810.50
  6. Step 6: Final answer
    x = 5,538.11

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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.