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Finding the Third Proportional to 913.15 and 2,000.95

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Solution

The third proportional to 913.15 and 2,000.95 is: 4,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    913.15 : 2,000.95 = 2,000.95 : x
  2. Step 2: Convert to fraction form
    913.15/2,000.95 = 2,000.95/x
  3. Step 3: Cross multiply
    913.15x = 2,000.95 × 2,000.95
  4. Step 4: Simplify right side
    913.15x = 4,003,813.41
  5. Step 5: Solve for x
    x = 4,003,813.41/913.15
  6. Step 6: Final answer
    x = 4,384.62

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.