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Finding the Third Proportional to 312,403.50 and 467,262

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Solution

The third proportional to 312,403.50 and 467,262 is: 698,883.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,403.50 : 467,262 = 467,262 : x
  2. Step 2: Convert to fraction form
    312,403.50/467,262 = 467,262/x
  3. Step 3: Cross multiply
    312,403.50x = 467,262 × 467,262
  4. Step 4: Simplify right side
    312,403.50x = 218,333,776,644
  5. Step 5: Solve for x
    x = 218,333,776,644/312,403.50
  6. Step 6: Final answer
    x = 698,883.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.