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Finding the Third Proportional to 8,187,861.75 and 12,842,762

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Solution

The third proportional to 8,187,861.75 and 12,842,762 is: 20,144,030.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,187,861.75 : 12,842,762 = 12,842,762 : x
  2. Step 2: Convert to fraction form
    8,187,861.75/12,842,762 = 12,842,762/x
  3. Step 3: Cross multiply
    8,187,861.75x = 12,842,762 × 12,842,762
  4. Step 4: Simplify right side
    8,187,861.75x = 164,936,535,788,644
  5. Step 5: Solve for x
    x = 164,936,535,788,644/8,187,861.75
  6. Step 6: Final answer
    x = 20,144,030.37

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.