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Finding the Third Proportional to 18,904,054 and 40,498,145

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Solution

The third proportional to 18,904,054 and 40,498,145 is: 86,759,154.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904,054 : 40,498,145 = 40,498,145 : x
  2. Step 2: Convert to fraction form
    18,904,054/40,498,145 = 40,498,145/x
  3. Step 3: Cross multiply
    18,904,054x = 40,498,145 × 40,498,145
  4. Step 4: Simplify right side
    18,904,054x = 1,640,099,748,441,025
  5. Step 5: Solve for x
    x = 1,640,099,748,441,025/18,904,054
  6. Step 6: Final answer
    x = 86,759,154.86

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.