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Finding the Third Proportional to 7,679,513.81 and 16,498,690.03

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Solution

The third proportional to 7,679,513.81 and 16,498,690.03 is: 35,445,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679,513.81 : 16,498,690.03 = 16,498,690.03 : x
  2. Step 2: Convert to fraction form
    7,679,513.81/16,498,690.03 = 16,498,690.03/x
  3. Step 3: Cross multiply
    7,679,513.81x = 16,498,690.03 × 16,498,690.03
  4. Step 4: Simplify right side
    7,679,513.81x = 272,206,772,747,268.12
  5. Step 5: Solve for x
    x = 272,206,772,747,268.12/7,679,513.81
  6. Step 6: Final answer
    x = 35,445,834.12

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.