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Finding the Third Proportional to 207,318,738 and 479,955,980

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Solution

The third proportional to 207,318,738 and 479,955,980 is: 1,111,128,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,318,738 : 479,955,980 = 479,955,980 : x
  2. Step 2: Convert to fraction form
    207,318,738/479,955,980 = 479,955,980/x
  3. Step 3: Cross multiply
    207,318,738x = 479,955,980 × 479,955,980
  4. Step 4: Simplify right side
    207,318,738x = 230,357,742,737,760,384
  5. Step 5: Solve for x
    x = 230,357,742,737,760,384/207,318,738
  6. Step 6: Final answer
    x = 1,111,128,424.57

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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.