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Finding the Third Proportional to 237,636 and 349,380

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Solution

The third proportional to 237,636 and 349,380 is: 513,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,636 : 349,380 = 349,380 : x
  2. Step 2: Convert to fraction form
    237,636/349,380 = 349,380/x
  3. Step 3: Cross multiply
    237,636x = 349,380 × 349,380
  4. Step 4: Simplify right side
    237,636x = 122,066,384,400
  5. Step 5: Solve for x
    x = 122,066,384,400/237,636
  6. Step 6: Final answer
    x = 513,669.58

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.