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Finding the Third Proportional to 18,011.25 and 28,938.94

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Solution

The third proportional to 18,011.25 and 28,938.94 is: 46,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011.25 : 28,938.94 = 28,938.94 : x
  2. Step 2: Convert to fraction form
    18,011.25/28,938.94 = 28,938.94/x
  3. Step 3: Cross multiply
    18,011.25x = 28,938.94 × 28,938.94
  4. Step 4: Simplify right side
    18,011.25x = 837,462,103.63
  5. Step 5: Solve for x
    x = 837,462,103.63/18,011.25
  6. Step 6: Final answer
    x = 46,496.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.