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Finding the Third Proportional to 373 and 491.50

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Solution

The third proportional to 373 and 491.50 is: 647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    373 : 491.50 = 491.50 : x
  2. Step 2: Convert to fraction form
    373/491.50 = 491.50/x
  3. Step 3: Cross multiply
    373x = 491.50 × 491.50
  4. Step 4: Simplify right side
    373x = 241,572.25
  5. Step 5: Solve for x
    x = 241,572.25/373
  6. Step 6: Final answer
    x = 647.65

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