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Finding the Third Proportional to 358,975.13 and 555,769.69

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Solution

The third proportional to 358,975.13 and 555,769.69 is: 860,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,975.13 : 555,769.69 = 555,769.69 : x
  2. Step 2: Convert to fraction form
    358,975.13/555,769.69 = 555,769.69/x
  3. Step 3: Cross multiply
    358,975.13x = 555,769.69 × 555,769.69
  4. Step 4: Simplify right side
    358,975.13x = 308,879,945,543.85
  5. Step 5: Solve for x
    x = 308,879,945,543.85/358,975.13
  6. Step 6: Final answer
    x = 860,449.44

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.