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Finding the Third Proportional to 362 and 777.50

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Solution

The third proportional to 362 and 777.50 is: 1,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    362 : 777.50 = 777.50 : x
  2. Step 2: Convert to fraction form
    362/777.50 = 777.50/x
  3. Step 3: Cross multiply
    362x = 777.50 × 777.50
  4. Step 4: Simplify right side
    362x = 604,506.25
  5. Step 5: Solve for x
    x = 604,506.25/362
  6. Step 6: Final answer
    x = 1,669.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.