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Finding the Third Proportional to 21,212.50 and 36,222.75

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Solution

The third proportional to 21,212.50 and 36,222.75 is: 61,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,212.50 : 36,222.75 = 36,222.75 : x
  2. Step 2: Convert to fraction form
    21,212.50/36,222.75 = 36,222.75/x
  3. Step 3: Cross multiply
    21,212.50x = 36,222.75 × 36,222.75
  4. Step 4: Simplify right side
    21,212.50x = 1,312,087,617.56
  5. Step 5: Solve for x
    x = 1,312,087,617.56/21,212.50
  6. Step 6: Final answer
    x = 61,854.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.