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Finding the Third Proportional to 368,335.69 and 550,234.69

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Solution

The third proportional to 368,335.69 and 550,234.69 is: 821,962.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,335.69 : 550,234.69 = 550,234.69 : x
  2. Step 2: Convert to fraction form
    368,335.69/550,234.69 = 550,234.69/x
  3. Step 3: Cross multiply
    368,335.69x = 550,234.69 × 550,234.69
  4. Step 4: Simplify right side
    368,335.69x = 302,758,211,328.22
  5. Step 5: Solve for x
    x = 302,758,211,328.22/368,335.69
  6. Step 6: Final answer
    x = 821,962.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.