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Finding the Third Proportional to 155,433,469 and 335,079,489

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Solution

The third proportional to 155,433,469 and 335,079,489 is: 722,355,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,433,469 : 335,079,489 = 335,079,489 : x
  2. Step 2: Convert to fraction form
    155,433,469/335,079,489 = 335,079,489/x
  3. Step 3: Cross multiply
    155,433,469x = 335,079,489 × 335,079,489
  4. Step 4: Simplify right side
    155,433,469x = 112,278,263,948,501,120
  5. Step 5: Solve for x
    x = 112,278,263,948,501,120/155,433,469
  6. Step 6: Final answer
    x = 722,355,774.92

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.