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Finding the Third Proportional to 3,980,292 and 8,705,241

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Solution

The third proportional to 3,980,292 and 8,705,241 is: 19,039,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,292 : 8,705,241 = 8,705,241 : x
  2. Step 2: Convert to fraction form
    3,980,292/8,705,241 = 8,705,241/x
  3. Step 3: Cross multiply
    3,980,292x = 8,705,241 × 8,705,241
  4. Step 4: Simplify right side
    3,980,292x = 75,781,220,868,081
  5. Step 5: Solve for x
    x = 75,781,220,868,081/3,980,292
  6. Step 6: Final answer
    x = 19,039,110.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.