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Finding the Third Proportional to 4,813,215 and 7,220,862

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Solution

The third proportional to 4,813,215 and 7,220,862 is: 10,832,852.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813,215 : 7,220,862 = 7,220,862 : x
  2. Step 2: Convert to fraction form
    4,813,215/7,220,862 = 7,220,862/x
  3. Step 3: Cross multiply
    4,813,215x = 7,220,862 × 7,220,862
  4. Step 4: Simplify right side
    4,813,215x = 52,140,848,023,044
  5. Step 5: Solve for x
    x = 52,140,848,023,044/4,813,215
  6. Step 6: Final answer
    x = 10,832,852.47

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