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Finding the Third Proportional to 4,061,434.50 and 8,919,921

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Solution

The third proportional to 4,061,434.50 and 8,919,921 is: 19,590,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,061,434.50 : 8,919,921 = 8,919,921 : x
  2. Step 2: Convert to fraction form
    4,061,434.50/8,919,921 = 8,919,921/x
  3. Step 3: Cross multiply
    4,061,434.50x = 8,919,921 × 8,919,921
  4. Step 4: Simplify right side
    4,061,434.50x = 79,564,990,646,241
  5. Step 5: Solve for x
    x = 79,564,990,646,241/4,061,434.50
  6. Step 6: Final answer
    x = 19,590,366.57

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.