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Finding the Third Proportional to 3,918,712,462.50 and 8,460,806,919

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Solution

The third proportional to 3,918,712,462.50 and 8,460,806,919 is: 18,267,544,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,712,462.50 : 8,460,806,919 = 8,460,806,919 : x
  2. Step 2: Convert to fraction form
    3,918,712,462.50/8,460,806,919 = 8,460,806,919/x
  3. Step 3: Cross multiply
    3,918,712,462.50x = 8,460,806,919 × 8,460,806,919
  4. Step 4: Simplify right side
    3,918,712,462.50x = 71,585,253,720,598,274,048
  5. Step 5: Solve for x
    x = 71,585,253,720,598,274,048/3,918,712,462.50
  6. Step 6: Final answer
    x = 18,267,544,354.33

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.