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Finding the Third Proportional to 3,155.06 and 4,671.56

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Solution

The third proportional to 3,155.06 and 4,671.56 is: 6,916.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.06 : 4,671.56 = 4,671.56 : x
  2. Step 2: Convert to fraction form
    3,155.06/4,671.56 = 4,671.56/x
  3. Step 3: Cross multiply
    3,155.06x = 4,671.56 × 4,671.56
  4. Step 4: Simplify right side
    3,155.06x = 21,823,496.19
  5. Step 5: Solve for x
    x = 21,823,496.19/3,155.06
  6. Step 6: Final answer
    x = 6,916.98

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.