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Finding the Third Proportional to 20,982,091 and 45,152,830

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Solution

The third proportional to 20,982,091 and 45,152,830 is: 97,167,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,982,091 : 45,152,830 = 45,152,830 : x
  2. Step 2: Convert to fraction form
    20,982,091/45,152,830 = 45,152,830/x
  3. Step 3: Cross multiply
    20,982,091x = 45,152,830 × 45,152,830
  4. Step 4: Simplify right side
    20,982,091x = 2,038,778,057,008,900
  5. Step 5: Solve for x
    x = 2,038,778,057,008,900/20,982,091
  6. Step 6: Final answer
    x = 97,167,534.78

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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.