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Finding the Third Proportional to 64,074,703 and 139,792,847.75

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Solution

The third proportional to 64,074,703 and 139,792,847.75 is: 304,988,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,074,703 : 139,792,847.75 = 139,792,847.75 : x
  2. Step 2: Convert to fraction form
    64,074,703/139,792,847.75 = 139,792,847.75/x
  3. Step 3: Cross multiply
    64,074,703x = 139,792,847.75 × 139,792,847.75
  4. Step 4: Simplify right side
    64,074,703x = 19,542,040,282,054,680
  5. Step 5: Solve for x
    x = 19,542,040,282,054,680/64,074,703
  6. Step 6: Final answer
    x = 304,988,386.48

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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.