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Finding the Third Proportional to 2,866 and 4,402.50

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Solution

The third proportional to 2,866 and 4,402.50 is: 6,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866 : 4,402.50 = 4,402.50 : x
  2. Step 2: Convert to fraction form
    2,866/4,402.50 = 4,402.50/x
  3. Step 3: Cross multiply
    2,866x = 4,402.50 × 4,402.50
  4. Step 4: Simplify right side
    2,866x = 19,382,006.25
  5. Step 5: Solve for x
    x = 19,382,006.25/2,866
  6. Step 6: Final answer
    x = 6,762.74

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.