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Finding the Third Proportional to 3,910,294 and 8,178,108

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Solution

The third proportional to 3,910,294 and 8,178,108 is: 17,103,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,294 : 8,178,108 = 8,178,108 : x
  2. Step 2: Convert to fraction form
    3,910,294/8,178,108 = 8,178,108/x
  3. Step 3: Cross multiply
    3,910,294x = 8,178,108 × 8,178,108
  4. Step 4: Simplify right side
    3,910,294x = 66,881,450,459,664
  5. Step 5: Solve for x
    x = 66,881,450,459,664/3,910,294
  6. Step 6: Final answer
    x = 17,103,944.22

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.