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Finding the Third Proportional to 2,926.13 and 6,139.13

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Solution

The third proportional to 2,926.13 and 6,139.13 is: 12,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.13 : 6,139.13 = 6,139.13 : x
  2. Step 2: Convert to fraction form
    2,926.13/6,139.13 = 6,139.13/x
  3. Step 3: Cross multiply
    2,926.13x = 6,139.13 × 6,139.13
  4. Step 4: Simplify right side
    2,926.13x = 37,688,855.77
  5. Step 5: Solve for x
    x = 37,688,855.77/2,926.13
  6. Step 6: Final answer
    x = 12,880.13

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.