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Finding the Third Proportional to 46 and 64.50

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Solution

The third proportional to 46 and 64.50 is: 90.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    46 : 64.50 = 64.50 : x
  2. Step 2: Convert to fraction form
    46/64.50 = 64.50/x
  3. Step 3: Cross multiply
    46x = 64.50 × 64.50
  4. Step 4: Simplify right side
    46x = 4,160.25
  5. Step 5: Solve for x
    x = 4,160.25/46
  6. Step 6: Final answer
    x = 90.44

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.