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Finding the Third Proportional to 66,852 and 145,224

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Solution

The third proportional to 66,852 and 145,224 is: 315,473.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,852 : 145,224 = 145,224 : x
  2. Step 2: Convert to fraction form
    66,852/145,224 = 145,224/x
  3. Step 3: Cross multiply
    66,852x = 145,224 × 145,224
  4. Step 4: Simplify right side
    66,852x = 21,090,010,176
  5. Step 5: Solve for x
    x = 21,090,010,176/66,852
  6. Step 6: Final answer
    x = 315,473.14

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.