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Finding the Third Proportional to 218,034,993 and 335,134,806

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Solution

The third proportional to 218,034,993 and 335,134,806 is: 515,125,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,034,993 : 335,134,806 = 335,134,806 : x
  2. Step 2: Convert to fraction form
    218,034,993/335,134,806 = 335,134,806/x
  3. Step 3: Cross multiply
    218,034,993x = 335,134,806 × 335,134,806
  4. Step 4: Simplify right side
    218,034,993x = 112,315,338,192,657,632
  5. Step 5: Solve for x
    x = 112,315,338,192,657,632/218,034,993
  6. Step 6: Final answer
    x = 515,125,286.30

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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.