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Finding the Third Proportional to 2,018,874.38 and 4,375,435.22

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Solution

The third proportional to 2,018,874.38 and 4,375,435.22 is: 9,482,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,874.38 : 4,375,435.22 = 4,375,435.22 : x
  2. Step 2: Convert to fraction form
    2,018,874.38/4,375,435.22 = 4,375,435.22/x
  3. Step 3: Cross multiply
    2,018,874.38x = 4,375,435.22 × 4,375,435.22
  4. Step 4: Simplify right side
    2,018,874.38x = 19,144,433,353,477.86
  5. Step 5: Solve for x
    x = 19,144,433,353,477.86/2,018,874.38
  6. Step 6: Final answer
    x = 9,482,726.41

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.