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Finding the Third Proportional to 207,318,838 and 479,956,228

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Solution

The third proportional to 207,318,838 and 479,956,228 is: 1,111,129,036.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,318,838 : 479,956,228 = 479,956,228 : x
  2. Step 2: Convert to fraction form
    207,318,838/479,956,228 = 479,956,228/x
  3. Step 3: Cross multiply
    207,318,838x = 479,956,228 × 479,956,228
  4. Step 4: Simplify right side
    207,318,838x = 230,357,980,795,987,968
  5. Step 5: Solve for x
    x = 230,357,980,795,987,968/207,318,838
  6. Step 6: Final answer
    x = 1,111,129,036.89

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.