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Finding the Third Proportional to 21,140.25 and 44,637

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Solution

The third proportional to 21,140.25 and 44,637 is: 94,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,140.25 : 44,637 = 44,637 : x
  2. Step 2: Convert to fraction form
    21,140.25/44,637 = 44,637/x
  3. Step 3: Cross multiply
    21,140.25x = 44,637 × 44,637
  4. Step 4: Simplify right side
    21,140.25x = 1,992,461,769
  5. Step 5: Solve for x
    x = 1,992,461,769/21,140.25
  6. Step 6: Final answer
    x = 94,249.68

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.