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Finding the Third Proportional to 18,662,863.50 and 26,687,926.50

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Solution

The third proportional to 18,662,863.50 and 26,687,926.50 is: 38,163,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662,863.50 : 26,687,926.50 = 26,687,926.50 : x
  2. Step 2: Convert to fraction form
    18,662,863.50/26,687,926.50 = 26,687,926.50/x
  3. Step 3: Cross multiply
    18,662,863.50x = 26,687,926.50 × 26,687,926.50
  4. Step 4: Simplify right side
    18,662,863.50x = 712,245,420,869,402.25
  5. Step 5: Solve for x
    x = 712,245,420,869,402.25/18,662,863.50
  6. Step 6: Final answer
    x = 38,163,780.22

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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.