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Finding the Third Proportional to 8,682,990.75 and 12,764,341.13

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Solution

The third proportional to 8,682,990.75 and 12,764,341.13 is: 18,764,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,990.75 : 12,764,341.13 = 12,764,341.13 : x
  2. Step 2: Convert to fraction form
    8,682,990.75/12,764,341.13 = 12,764,341.13/x
  3. Step 3: Cross multiply
    8,682,990.75x = 12,764,341.13 × 12,764,341.13
  4. Step 4: Simplify right side
    8,682,990.75x = 162,928,404,355,366.25
  5. Step 5: Solve for x
    x = 162,928,404,355,366.25/8,682,990.75
  6. Step 6: Final answer
    x = 18,764,088.21

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.