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Finding the Third Proportional to 201,238 and 272,332

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Solution

The third proportional to 201,238 and 272,332 is: 368,542.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,238 : 272,332 = 272,332 : x
  2. Step 2: Convert to fraction form
    201,238/272,332 = 272,332/x
  3. Step 3: Cross multiply
    201,238x = 272,332 × 272,332
  4. Step 4: Simplify right side
    201,238x = 74,164,718,224
  5. Step 5: Solve for x
    x = 74,164,718,224/201,238
  6. Step 6: Final answer
    x = 368,542.31

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.