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Finding the Third Proportional to 12,654,086.41 and 18,898,356.80

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Solution

The third proportional to 12,654,086.41 and 18,898,356.80 is: 28,223,917.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,086.41 : 18,898,356.80 = 18,898,356.80 : x
  2. Step 2: Convert to fraction form
    12,654,086.41/18,898,356.80 = 18,898,356.80/x
  3. Step 3: Cross multiply
    12,654,086.41x = 18,898,356.80 × 18,898,356.80
  4. Step 4: Simplify right side
    12,654,086.41x = 357,147,889,621,991.50
  5. Step 5: Solve for x
    x = 357,147,889,621,991.50/12,654,086.41
  6. Step 6: Final answer
    x = 28,223,917.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.