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Finding the Third Proportional to 8,360,634 and 12,921,412

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Solution

The third proportional to 8,360,634 and 12,921,412 is: 19,970,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360,634 : 12,921,412 = 12,921,412 : x
  2. Step 2: Convert to fraction form
    8,360,634/12,921,412 = 12,921,412/x
  3. Step 3: Cross multiply
    8,360,634x = 12,921,412 × 12,921,412
  4. Step 4: Simplify right side
    8,360,634x = 166,962,888,073,744
  5. Step 5: Solve for x
    x = 166,962,888,073,744/8,360,634
  6. Step 6: Final answer
    x = 19,970,122.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.