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Finding the Third Proportional to 20,181,172 and 41,707,643

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Solution

The third proportional to 20,181,172 and 41,707,643 is: 86,195,563.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,172 : 41,707,643 = 41,707,643 : x
  2. Step 2: Convert to fraction form
    20,181,172/41,707,643 = 41,707,643/x
  3. Step 3: Cross multiply
    20,181,172x = 41,707,643 × 41,707,643
  4. Step 4: Simplify right side
    20,181,172x = 1,739,527,484,615,449
  5. Step 5: Solve for x
    x = 1,739,527,484,615,449/20,181,172
  6. Step 6: Final answer
    x = 86,195,563.10

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.