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Finding the Third Proportional to 74,584,908 and 162,717,856

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Solution

The third proportional to 74,584,908 and 162,717,856 is: 354,992,737.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,584,908 : 162,717,856 = 162,717,856 : x
  2. Step 2: Convert to fraction form
    74,584,908/162,717,856 = 162,717,856/x
  3. Step 3: Cross multiply
    74,584,908x = 162,717,856 × 162,717,856
  4. Step 4: Simplify right side
    74,584,908x = 26,477,100,661,236,736
  5. Step 5: Solve for x
    x = 26,477,100,661,236,736/74,584,908
  6. Step 6: Final answer
    x = 354,992,737.42

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.