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Finding the Third Proportional to 3,145,105.13 and 6,879,060

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Solution

The third proportional to 3,145,105.13 and 6,879,060 is: 15,046,068.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145,105.13 : 6,879,060 = 6,879,060 : x
  2. Step 2: Convert to fraction form
    3,145,105.13/6,879,060 = 6,879,060/x
  3. Step 3: Cross multiply
    3,145,105.13x = 6,879,060 × 6,879,060
  4. Step 4: Simplify right side
    3,145,105.13x = 47,321,466,483,600
  5. Step 5: Solve for x
    x = 47,321,466,483,600/3,145,105.13
  6. Step 6: Final answer
    x = 15,046,068.29

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.