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Finding the Third Proportional to 133,070 and 200,987

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Solution

The third proportional to 133,070 and 200,987 is: 303,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070 : 200,987 = 200,987 : x
  2. Step 2: Convert to fraction form
    133,070/200,987 = 200,987/x
  3. Step 3: Cross multiply
    133,070x = 200,987 × 200,987
  4. Step 4: Simplify right side
    133,070x = 40,395,774,169
  5. Step 5: Solve for x
    x = 40,395,774,169/133,070
  6. Step 6: Final answer
    x = 303,567.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.