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Finding the Third Proportional to 200,272 and 375,320

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Solution

The third proportional to 200,272 and 375,320 is: 703,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,272 : 375,320 = 375,320 : x
  2. Step 2: Convert to fraction form
    200,272/375,320 = 375,320/x
  3. Step 3: Cross multiply
    200,272x = 375,320 × 375,320
  4. Step 4: Simplify right side
    200,272x = 140,865,102,400
  5. Step 5: Solve for x
    x = 140,865,102,400/200,272
  6. Step 6: Final answer
    x = 703,368.93

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Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.