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Finding the Third Proportional to 3,151.41 and 4,875.19

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Solution

The third proportional to 3,151.41 and 4,875.19 is: 7,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.41 : 4,875.19 = 4,875.19 : x
  2. Step 2: Convert to fraction form
    3,151.41/4,875.19 = 4,875.19/x
  3. Step 3: Cross multiply
    3,151.41x = 4,875.19 × 4,875.19
  4. Step 4: Simplify right side
    3,151.41x = 23,767,453.16
  5. Step 5: Solve for x
    x = 23,767,453.16/3,151.41
  6. Step 6: Final answer
    x = 7,541.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.