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Finding the Third Proportional to 2,850 and 4,372.50

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Solution

The third proportional to 2,850 and 4,372.50 is: 6,708.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850 : 4,372.50 = 4,372.50 : x
  2. Step 2: Convert to fraction form
    2,850/4,372.50 = 4,372.50/x
  3. Step 3: Cross multiply
    2,850x = 4,372.50 × 4,372.50
  4. Step 4: Simplify right side
    2,850x = 19,118,756.25
  5. Step 5: Solve for x
    x = 19,118,756.25/2,850
  6. Step 6: Final answer
    x = 6,708.34

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.