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Finding the Third Proportional to 20,068,166 and 30,290,331

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Solution

The third proportional to 20,068,166 and 30,290,331 is: 45,719,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068,166 : 30,290,331 = 30,290,331 : x
  2. Step 2: Convert to fraction form
    20,068,166/30,290,331 = 30,290,331/x
  3. Step 3: Cross multiply
    20,068,166x = 30,290,331 × 30,290,331
  4. Step 4: Simplify right side
    20,068,166x = 917,504,152,089,561
  5. Step 5: Solve for x
    x = 917,504,152,089,561/20,068,166
  6. Step 6: Final answer
    x = 45,719,382.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.