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Finding the Third Proportional to 138,949,670 and 204,382,929

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Solution

The third proportional to 138,949,670 and 204,382,929 is: 300,629,585.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,949,670 : 204,382,929 = 204,382,929 : x
  2. Step 2: Convert to fraction form
    138,949,670/204,382,929 = 204,382,929/x
  3. Step 3: Cross multiply
    138,949,670x = 204,382,929 × 204,382,929
  4. Step 4: Simplify right side
    138,949,670x = 41,772,381,666,619,040
  5. Step 5: Solve for x
    x = 41,772,381,666,619,040/138,949,670
  6. Step 6: Final answer
    x = 300,629,585.28

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.