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Finding the Third Proportional to 195,310,672.88 and 421,286,670

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Solution

The third proportional to 195,310,672.88 and 421,286,670 is: 908,718,687.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,310,672.88 : 421,286,670 = 421,286,670 : x
  2. Step 2: Convert to fraction form
    195,310,672.88/421,286,670 = 421,286,670/x
  3. Step 3: Cross multiply
    195,310,672.88x = 421,286,670 × 421,286,670
  4. Step 4: Simplify right side
    195,310,672.88x = 177,482,458,319,688,896
  5. Step 5: Solve for x
    x = 177,482,458,319,688,896/195,310,672.88
  6. Step 6: Final answer
    x = 908,718,687.55

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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.