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Finding the Third Proportional to 368,841.50 and 555,847

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Solution

The third proportional to 368,841.50 and 555,847 is: 837,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,841.50 : 555,847 = 555,847 : x
  2. Step 2: Convert to fraction form
    368,841.50/555,847 = 555,847/x
  3. Step 3: Cross multiply
    368,841.50x = 555,847 × 555,847
  4. Step 4: Simplify right side
    368,841.50x = 308,965,887,409
  5. Step 5: Solve for x
    x = 308,965,887,409/368,841.50
  6. Step 6: Final answer
    x = 837,665.74

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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.