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Finding the Third Proportional to 8,412,347 and 18,260,407

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Solution

The third proportional to 8,412,347 and 18,260,407 is: 39,637,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,347 : 18,260,407 = 18,260,407 : x
  2. Step 2: Convert to fraction form
    8,412,347/18,260,407 = 18,260,407/x
  3. Step 3: Cross multiply
    8,412,347x = 18,260,407 × 18,260,407
  4. Step 4: Simplify right side
    8,412,347x = 333,442,463,805,649
  5. Step 5: Solve for x
    x = 333,442,463,805,649/8,412,347
  6. Step 6: Final answer
    x = 39,637,269.34

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.