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Finding the Third Proportional to 450,108 and 636,881

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Solution

The third proportional to 450,108 and 636,881 is: 901,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,108 : 636,881 = 636,881 : x
  2. Step 2: Convert to fraction form
    450,108/636,881 = 636,881/x
  3. Step 3: Cross multiply
    450,108x = 636,881 × 636,881
  4. Step 4: Simplify right side
    450,108x = 405,617,408,161
  5. Step 5: Solve for x
    x = 405,617,408,161/450,108
  6. Step 6: Final answer
    x = 901,155.74

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.