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Finding the Third Proportional to 169,272 and 360,476

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Solution

The third proportional to 169,272 and 360,476 is: 767,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,272 : 360,476 = 360,476 : x
  2. Step 2: Convert to fraction form
    169,272/360,476 = 360,476/x
  3. Step 3: Cross multiply
    169,272x = 360,476 × 360,476
  4. Step 4: Simplify right side
    169,272x = 129,942,946,576
  5. Step 5: Solve for x
    x = 129,942,946,576/169,272
  6. Step 6: Final answer
    x = 767,657.65

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.