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Finding the Third Proportional to 155,576 and 341,288

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Solution

The third proportional to 155,576 and 341,288 is: 748,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,576 : 341,288 = 341,288 : x
  2. Step 2: Convert to fraction form
    155,576/341,288 = 341,288/x
  3. Step 3: Cross multiply
    155,576x = 341,288 × 341,288
  4. Step 4: Simplify right side
    155,576x = 116,477,498,944
  5. Step 5: Solve for x
    x = 116,477,498,944/155,576
  6. Step 6: Final answer
    x = 748,685.52

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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.