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Finding the Third Proportional to 4,982,020 and 10,728,132

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Solution

The third proportional to 4,982,020 and 10,728,132 is: 23,101,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982,020 : 10,728,132 = 10,728,132 : x
  2. Step 2: Convert to fraction form
    4,982,020/10,728,132 = 10,728,132/x
  3. Step 3: Cross multiply
    4,982,020x = 10,728,132 × 10,728,132
  4. Step 4: Simplify right side
    4,982,020x = 115,092,816,209,424
  5. Step 5: Solve for x
    x = 115,092,816,209,424/4,982,020
  6. Step 6: Final answer
    x = 23,101,636.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.