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Finding the Third Proportional to 238,630.50 and 514,623

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Solution

The third proportional to 238,630.50 and 514,623 is: 1,109,819.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,630.50 : 514,623 = 514,623 : x
  2. Step 2: Convert to fraction form
    238,630.50/514,623 = 514,623/x
  3. Step 3: Cross multiply
    238,630.50x = 514,623 × 514,623
  4. Step 4: Simplify right side
    238,630.50x = 264,836,832,129
  5. Step 5: Solve for x
    x = 264,836,832,129/238,630.50
  6. Step 6: Final answer
    x = 1,109,819.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.