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Finding the Third Proportional to 3,207,454.13 and 6,979,549.13

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Solution

The third proportional to 3,207,454.13 and 6,979,549.13 is: 15,187,779.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,454.13 : 6,979,549.13 = 6,979,549.13 : x
  2. Step 2: Convert to fraction form
    3,207,454.13/6,979,549.13 = 6,979,549.13/x
  3. Step 3: Cross multiply
    3,207,454.13x = 6,979,549.13 × 6,979,549.13
  4. Step 4: Simplify right side
    3,207,454.13x = 48,714,105,988,288.27
  5. Step 5: Solve for x
    x = 48,714,105,988,288.27/3,207,454.13
  6. Step 6: Final answer
    x = 15,187,779.49

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.