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Finding the Third Proportional to 202,550 and 436,263

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Solution

The third proportional to 202,550 and 436,263 is: 939,646.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,550 : 436,263 = 436,263 : x
  2. Step 2: Convert to fraction form
    202,550/436,263 = 436,263/x
  3. Step 3: Cross multiply
    202,550x = 436,263 × 436,263
  4. Step 4: Simplify right side
    202,550x = 190,325,405,169
  5. Step 5: Solve for x
    x = 190,325,405,169/202,550
  6. Step 6: Final answer
    x = 939,646.53

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.