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Finding the Third Proportional to 30,276 and 66,001

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Solution

The third proportional to 30,276 and 66,001 is: 143,880.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276 : 66,001 = 66,001 : x
  2. Step 2: Convert to fraction form
    30,276/66,001 = 66,001/x
  3. Step 3: Cross multiply
    30,276x = 66,001 × 66,001
  4. Step 4: Simplify right side
    30,276x = 4,356,132,001
  5. Step 5: Solve for x
    x = 4,356,132,001/30,276
  6. Step 6: Final answer
    x = 143,880.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.