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Finding the Third Proportional to 4,020.50 and 6,146

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Solution

The third proportional to 4,020.50 and 6,146 is: 9,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.50 : 6,146 = 6,146 : x
  2. Step 2: Convert to fraction form
    4,020.50/6,146 = 6,146/x
  3. Step 3: Cross multiply
    4,020.50x = 6,146 × 6,146
  4. Step 4: Simplify right side
    4,020.50x = 37,773,316
  5. Step 5: Solve for x
    x = 37,773,316/4,020.50
  6. Step 6: Final answer
    x = 9,395.18

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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.