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Finding the Third Proportional to 228,918 and 336,525.25

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Solution

The third proportional to 228,918 and 336,525.25 is: 494,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,918 : 336,525.25 = 336,525.25 : x
  2. Step 2: Convert to fraction form
    228,918/336,525.25 = 336,525.25/x
  3. Step 3: Cross multiply
    228,918x = 336,525.25 × 336,525.25
  4. Step 4: Simplify right side
    228,918x = 113,249,243,887.56
  5. Step 5: Solve for x
    x = 113,249,243,887.56/228,918
  6. Step 6: Final answer
    x = 494,715.33

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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.