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Finding the Third Proportional to 185,439 and 265,521

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Solution

The third proportional to 185,439 and 265,521 is: 380,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,439 : 265,521 = 265,521 : x
  2. Step 2: Convert to fraction form
    185,439/265,521 = 265,521/x
  3. Step 3: Cross multiply
    185,439x = 265,521 × 265,521
  4. Step 4: Simplify right side
    185,439x = 70,501,401,441
  5. Step 5: Solve for x
    x = 70,501,401,441/185,439
  6. Step 6: Final answer
    x = 380,186.48

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.