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Finding the Third Proportional to 210,330 and 326,297

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Solution

The third proportional to 210,330 and 326,297 is: 506,203.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,330 : 326,297 = 326,297 : x
  2. Step 2: Convert to fraction form
    210,330/326,297 = 326,297/x
  3. Step 3: Cross multiply
    210,330x = 326,297 × 326,297
  4. Step 4: Simplify right side
    210,330x = 106,469,732,209
  5. Step 5: Solve for x
    x = 106,469,732,209/210,330
  6. Step 6: Final answer
    x = 506,203.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.