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Finding the Third Proportional to 20,068,200 and 30,290,382

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Solution

The third proportional to 20,068,200 and 30,290,382 is: 45,719,458.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068,200 : 30,290,382 = 30,290,382 : x
  2. Step 2: Convert to fraction form
    20,068,200/30,290,382 = 30,290,382/x
  3. Step 3: Cross multiply
    20,068,200x = 30,290,382 × 30,290,382
  4. Step 4: Simplify right side
    20,068,200x = 917,507,241,705,924
  5. Step 5: Solve for x
    x = 917,507,241,705,924/20,068,200
  6. Step 6: Final answer
    x = 45,719,458.73

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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.