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Finding the Third Proportional to 4,931.25 and 6,936.19

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Solution

The third proportional to 4,931.25 and 6,936.19 is: 9,756.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.25 : 6,936.19 = 6,936.19 : x
  2. Step 2: Convert to fraction form
    4,931.25/6,936.19 = 6,936.19/x
  3. Step 3: Cross multiply
    4,931.25x = 6,936.19 × 6,936.19
  4. Step 4: Simplify right side
    4,931.25x = 48,110,697.04
  5. Step 5: Solve for x
    x = 48,110,697.04/4,931.25
  6. Step 6: Final answer
    x = 9,756.29

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.