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Finding the Third Proportional to 133,080 and 287,483

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Solution

The third proportional to 133,080 and 287,483 is: 621,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,080 : 287,483 = 287,483 : x
  2. Step 2: Convert to fraction form
    133,080/287,483 = 287,483/x
  3. Step 3: Cross multiply
    133,080x = 287,483 × 287,483
  4. Step 4: Simplify right side
    133,080x = 82,646,475,289
  5. Step 5: Solve for x
    x = 82,646,475,289/133,080
  6. Step 6: Final answer
    x = 621,028.52

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.