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Finding the Third Proportional to 7,879,399 and 16,974,587

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Solution

The third proportional to 7,879,399 and 16,974,587 is: 36,568,347.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,399 : 16,974,587 = 16,974,587 : x
  2. Step 2: Convert to fraction form
    7,879,399/16,974,587 = 16,974,587/x
  3. Step 3: Cross multiply
    7,879,399x = 16,974,587 × 16,974,587
  4. Step 4: Simplify right side
    7,879,399x = 288,136,603,820,569
  5. Step 5: Solve for x
    x = 288,136,603,820,569/7,879,399
  6. Step 6: Final answer
    x = 36,568,347.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.