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Finding the Third Proportional to 1,506 and 3,309.75

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Solution

The third proportional to 1,506 and 3,309.75 is: 7,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506 : 3,309.75 = 3,309.75 : x
  2. Step 2: Convert to fraction form
    1,506/3,309.75 = 3,309.75/x
  3. Step 3: Cross multiply
    1,506x = 3,309.75 × 3,309.75
  4. Step 4: Simplify right side
    1,506x = 10,954,445.06
  5. Step 5: Solve for x
    x = 10,954,445.06/1,506
  6. Step 6: Final answer
    x = 7,273.87

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.