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Finding the Third Proportional to 147,953 and 209,349

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Solution

The third proportional to 147,953 and 209,349 is: 296,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,953 : 209,349 = 209,349 : x
  2. Step 2: Convert to fraction form
    147,953/209,349 = 209,349/x
  3. Step 3: Cross multiply
    147,953x = 209,349 × 209,349
  4. Step 4: Simplify right side
    147,953x = 43,827,003,801
  5. Step 5: Solve for x
    x = 43,827,003,801/147,953
  6. Step 6: Final answer
    x = 296,222.47

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.