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Finding the Third Proportional to 964.13 and 1,973.81

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Solution

The third proportional to 964.13 and 1,973.81 is: 4,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    964.13 : 1,973.81 = 1,973.81 : x
  2. Step 2: Convert to fraction form
    964.13/1,973.81 = 1,973.81/x
  3. Step 3: Cross multiply
    964.13x = 1,973.81 × 1,973.81
  4. Step 4: Simplify right side
    964.13x = 3,895,935.79
  5. Step 5: Solve for x
    x = 3,895,935.79/964.13
  6. Step 6: Final answer
    x = 4,040.90

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.