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Finding the Third Proportional to 338,775.75 and 498,814.88

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Solution

The third proportional to 338,775.75 and 498,814.88 is: 734,457.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,775.75 : 498,814.88 = 498,814.88 : x
  2. Step 2: Convert to fraction form
    338,775.75/498,814.88 = 498,814.88/x
  3. Step 3: Cross multiply
    338,775.75x = 498,814.88 × 498,814.88
  4. Step 4: Simplify right side
    338,775.75x = 248,816,279,521.27
  5. Step 5: Solve for x
    x = 248,816,279,521.27/338,775.75
  6. Step 6: Final answer
    x = 734,457.17

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.