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Finding the Third Proportional to 12,309,077.67 and 28,493,323.80

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Solution

The third proportional to 12,309,077.67 and 28,493,323.80 is: 65,956,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309,077.67 : 28,493,323.80 = 28,493,323.80 : x
  2. Step 2: Convert to fraction form
    12,309,077.67/28,493,323.80 = 28,493,323.80/x
  3. Step 3: Cross multiply
    12,309,077.67x = 28,493,323.80 × 28,493,323.80
  4. Step 4: Simplify right side
    12,309,077.67x = 811,869,501,438,799.75
  5. Step 5: Solve for x
    x = 811,869,501,438,799.75/12,309,077.67
  6. Step 6: Final answer
    x = 65,956,972.82

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.