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Finding the Third Proportional to 239,790 and 525,264

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Solution

The third proportional to 239,790 and 525,264 is: 1,150,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,790 : 525,264 = 525,264 : x
  2. Step 2: Convert to fraction form
    239,790/525,264 = 525,264/x
  3. Step 3: Cross multiply
    239,790x = 525,264 × 525,264
  4. Step 4: Simplify right side
    239,790x = 275,902,269,696
  5. Step 5: Solve for x
    x = 275,902,269,696/239,790
  6. Step 6: Final answer
    x = 1,150,599.57

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.