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Finding the Third Proportional to 207,318,718 and 479,955,930

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Solution

The third proportional to 207,318,718 and 479,955,930 is: 1,111,128,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,318,718 : 479,955,930 = 479,955,930 : x
  2. Step 2: Convert to fraction form
    207,318,718/479,955,930 = 479,955,930/x
  3. Step 3: Cross multiply
    207,318,718x = 479,955,930 × 479,955,930
  4. Step 4: Simplify right side
    207,318,718x = 230,357,694,742,164,896
  5. Step 5: Solve for x
    x = 230,357,694,742,164,896/207,318,718
  6. Step 6: Final answer
    x = 1,111,128,300.25

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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.