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Finding the Third Proportional to 133,104 and 286,272

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Solution

The third proportional to 133,104 and 286,272 is: 615,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,104 : 286,272 = 286,272 : x
  2. Step 2: Convert to fraction form
    133,104/286,272 = 286,272/x
  3. Step 3: Cross multiply
    133,104x = 286,272 × 286,272
  4. Step 4: Simplify right side
    133,104x = 81,951,657,984
  5. Step 5: Solve for x
    x = 81,951,657,984/133,104
  6. Step 6: Final answer
    x = 615,696.43

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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.