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Finding the Third Proportional to 462 and 697.50

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Solution

The third proportional to 462 and 697.50 is: 1,053.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    462 : 697.50 = 697.50 : x
  2. Step 2: Convert to fraction form
    462/697.50 = 697.50/x
  3. Step 3: Cross multiply
    462x = 697.50 × 697.50
  4. Step 4: Simplify right side
    462x = 486,506.25
  5. Step 5: Solve for x
    x = 486,506.25/462
  6. Step 6: Final answer
    x = 1,053.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.