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Finding the Third Proportional to 239,584 and 371,485

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Solution

The third proportional to 239,584 and 371,485 is: 576,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,584 : 371,485 = 371,485 : x
  2. Step 2: Convert to fraction form
    239,584/371,485 = 371,485/x
  3. Step 3: Cross multiply
    239,584x = 371,485 × 371,485
  4. Step 4: Simplify right side
    239,584x = 138,001,105,225
  5. Step 5: Solve for x
    x = 138,001,105,225/239,584
  6. Step 6: Final answer
    x = 576,003.01

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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.