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Finding the Third Proportional to 7,218,882 and 9,633,411

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Solution

The third proportional to 7,218,882 and 9,633,411 is: 12,855,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,882 : 9,633,411 = 9,633,411 : x
  2. Step 2: Convert to fraction form
    7,218,882/9,633,411 = 9,633,411/x
  3. Step 3: Cross multiply
    7,218,882x = 9,633,411 × 9,633,411
  4. Step 4: Simplify right side
    7,218,882x = 92,802,607,494,921
  5. Step 5: Solve for x
    x = 92,802,607,494,921/7,218,882
  6. Step 6: Final answer
    x = 12,855,537.39

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.