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Finding the Third Proportional to 77,768 and 115,010.50

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Solution

The third proportional to 77,768 and 115,010.50 is: 170,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,768 : 115,010.50 = 115,010.50 : x
  2. Step 2: Convert to fraction form
    77,768/115,010.50 = 115,010.50/x
  3. Step 3: Cross multiply
    77,768x = 115,010.50 × 115,010.50
  4. Step 4: Simplify right side
    77,768x = 13,227,415,110.25
  5. Step 5: Solve for x
    x = 13,227,415,110.25/77,768
  6. Step 6: Final answer
    x = 170,088.15

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