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Finding the Third Proportional to 18,662,864 and 26,687,928

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Solution

The third proportional to 18,662,864 and 26,687,928 is: 38,163,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662,864 : 26,687,928 = 26,687,928 : x
  2. Step 2: Convert to fraction form
    18,662,864/26,687,928 = 26,687,928/x
  3. Step 3: Cross multiply
    18,662,864x = 26,687,928 × 26,687,928
  4. Step 4: Simplify right side
    18,662,864x = 712,245,500,933,184
  5. Step 5: Solve for x
    x = 712,245,500,933,184/18,662,864
  6. Step 6: Final answer
    x = 38,163,783.49

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.