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Finding the Third Proportional to 978 and 2,300

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Solution

The third proportional to 978 and 2,300 is: 5,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    978 : 2,300 = 2,300 : x
  2. Step 2: Convert to fraction form
    978/2,300 = 2,300/x
  3. Step 3: Cross multiply
    978x = 2,300 × 2,300
  4. Step 4: Simplify right side
    978x = 5,290,000
  5. Step 5: Solve for x
    x = 5,290,000/978
  6. Step 6: Final answer
    x = 5,409.00

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