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Finding the Third Proportional to 18,904,122 and 29,328,219

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Solution

The third proportional to 18,904,122 and 29,328,219 is: 45,500,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904,122 : 29,328,219 = 29,328,219 : x
  2. Step 2: Convert to fraction form
    18,904,122/29,328,219 = 29,328,219/x
  3. Step 3: Cross multiply
    18,904,122x = 29,328,219 × 29,328,219
  4. Step 4: Simplify right side
    18,904,122x = 860,144,429,711,961
  5. Step 5: Solve for x
    x = 860,144,429,711,961/18,904,122
  6. Step 6: Final answer
    x = 45,500,363.87

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.