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Finding the Third Proportional to 5,679,622.13 and 12,387,259.13

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Solution

The third proportional to 5,679,622.13 and 12,387,259.13 is: 27,016,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679,622.13 : 12,387,259.13 = 12,387,259.13 : x
  2. Step 2: Convert to fraction form
    5,679,622.13/12,387,259.13 = 12,387,259.13/x
  3. Step 3: Cross multiply
    5,679,622.13x = 12,387,259.13 × 12,387,259.13
  4. Step 4: Simplify right side
    5,679,622.13x = 153,444,188,629,895.75
  5. Step 5: Solve for x
    x = 153,444,188,629,895.75/5,679,622.13
  6. Step 6: Final answer
    x = 27,016,619.28

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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.