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Finding the Third Proportional to 20,140,579 and 30,378,053

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Solution

The third proportional to 20,140,579 and 30,378,053 is: 45,819,244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140,579 : 30,378,053 = 30,378,053 : x
  2. Step 2: Convert to fraction form
    20,140,579/30,378,053 = 30,378,053/x
  3. Step 3: Cross multiply
    20,140,579x = 30,378,053 × 30,378,053
  4. Step 4: Simplify right side
    20,140,579x = 922,826,104,070,809
  5. Step 5: Solve for x
    x = 922,826,104,070,809/20,140,579
  6. Step 6: Final answer
    x = 45,819,244.03

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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.