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Finding the Third Proportional to 1,715.81 and 4,012.03

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Solution

The third proportional to 1,715.81 and 4,012.03 is: 9,381.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.81 : 4,012.03 = 4,012.03 : x
  2. Step 2: Convert to fraction form
    1,715.81/4,012.03 = 4,012.03/x
  3. Step 3: Cross multiply
    1,715.81x = 4,012.03 × 4,012.03
  4. Step 4: Simplify right side
    1,715.81x = 16,096,394.75
  5. Step 5: Solve for x
    x = 16,096,394.75/1,715.81
  6. Step 6: Final answer
    x = 9,381.21

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.