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Finding the Third Proportional to 21,013 and 45,525.75

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Solution

The third proportional to 21,013 and 45,525.75 is: 98,633.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,013 : 45,525.75 = 45,525.75 : x
  2. Step 2: Convert to fraction form
    21,013/45,525.75 = 45,525.75/x
  3. Step 3: Cross multiply
    21,013x = 45,525.75 × 45,525.75
  4. Step 4: Simplify right side
    21,013x = 2,072,593,913.06
  5. Step 5: Solve for x
    x = 2,072,593,913.06/21,013
  6. Step 6: Final answer
    x = 98,633.89

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.