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Finding the Third Proportional to 18,929.53 and 28,026.84

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Solution

The third proportional to 18,929.53 and 28,026.84 is: 41,496.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,929.53 : 28,026.84 = 28,026.84 : x
  2. Step 2: Convert to fraction form
    18,929.53/28,026.84 = 28,026.84/x
  3. Step 3: Cross multiply
    18,929.53x = 28,026.84 × 28,026.84
  4. Step 4: Simplify right side
    18,929.53x = 785,503,970.59
  5. Step 5: Solve for x
    x = 785,503,970.59/18,929.53
  6. Step 6: Final answer
    x = 41,496.22

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.