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Finding the Third Proportional to 230,092,870 and 310,971,558

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Solution

The third proportional to 230,092,870 and 310,971,558 is: 420,279,471.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,092,870 : 310,971,558 = 310,971,558 : x
  2. Step 2: Convert to fraction form
    230,092,870/310,971,558 = 310,971,558/x
  3. Step 3: Cross multiply
    230,092,870x = 310,971,558 × 310,971,558
  4. Step 4: Simplify right side
    230,092,870x = 96,703,309,884,947,360
  5. Step 5: Solve for x
    x = 96,703,309,884,947,360/230,092,870
  6. Step 6: Final answer
    x = 420,279,471.87

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.