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Finding the Third Proportional to 2,931.19 and 6,195.94

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Solution

The third proportional to 2,931.19 and 6,195.94 is: 13,096.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.19 : 6,195.94 = 6,195.94 : x
  2. Step 2: Convert to fraction form
    2,931.19/6,195.94 = 6,195.94/x
  3. Step 3: Cross multiply
    2,931.19x = 6,195.94 × 6,195.94
  4. Step 4: Simplify right side
    2,931.19x = 38,389,641.50
  5. Step 5: Solve for x
    x = 38,389,641.50/2,931.19
  6. Step 6: Final answer
    x = 13,096.96

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.