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Finding the Third Proportional to 66,652 and 145,208

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Solution

The third proportional to 66,652 and 145,208 is: 316,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,652 : 145,208 = 145,208 : x
  2. Step 2: Convert to fraction form
    66,652/145,208 = 145,208/x
  3. Step 3: Cross multiply
    66,652x = 145,208 × 145,208
  4. Step 4: Simplify right side
    66,652x = 21,085,363,264
  5. Step 5: Solve for x
    x = 21,085,363,264/66,652
  6. Step 6: Final answer
    x = 316,350.05

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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.