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Finding the Third Proportional to 30,349 and 66,229

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Solution

The third proportional to 30,349 and 66,229 is: 144,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349 : 66,229 = 66,229 : x
  2. Step 2: Convert to fraction form
    30,349/66,229 = 66,229/x
  3. Step 3: Cross multiply
    30,349x = 66,229 × 66,229
  4. Step 4: Simplify right side
    30,349x = 4,386,280,441
  5. Step 5: Solve for x
    x = 4,386,280,441/30,349
  6. Step 6: Final answer
    x = 144,528.01

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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.