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Finding the Third Proportional to 314 and 448.50

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Solution

The third proportional to 314 and 448.50 is: 640.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    314 : 448.50 = 448.50 : x
  2. Step 2: Convert to fraction form
    314/448.50 = 448.50/x
  3. Step 3: Cross multiply
    314x = 448.50 × 448.50
  4. Step 4: Simplify right side
    314x = 201,152.25
  5. Step 5: Solve for x
    x = 201,152.25/314
  6. Step 6: Final answer
    x = 640.61

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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.