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Finding the Third Proportional to 201,397,404 and 310,992,822

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Solution

The third proportional to 201,397,404 and 310,992,822 is: 480,227,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,397,404 : 310,992,822 = 310,992,822 : x
  2. Step 2: Convert to fraction form
    201,397,404/310,992,822 = 310,992,822/x
  3. Step 3: Cross multiply
    201,397,404x = 310,992,822 × 310,992,822
  4. Step 4: Simplify right side
    201,397,404x = 96,716,535,335,523,680
  5. Step 5: Solve for x
    x = 96,716,535,335,523,680/201,397,404
  6. Step 6: Final answer
    x = 480,227,318.80

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Why These Related Problems?

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