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Finding the Third Proportional to 368,018 and 555,524

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Solution

The third proportional to 368,018 and 555,524 is: 838,564.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,018 : 555,524 = 555,524 : x
  2. Step 2: Convert to fraction form
    368,018/555,524 = 555,524/x
  3. Step 3: Cross multiply
    368,018x = 555,524 × 555,524
  4. Step 4: Simplify right side
    368,018x = 308,606,914,576
  5. Step 5: Solve for x
    x = 308,606,914,576/368,018
  6. Step 6: Final answer
    x = 838,564.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.