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Finding the Third Proportional to 68,088,816 and 145,643,924

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Solution

The third proportional to 68,088,816 and 145,643,924 is: 311,536,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,088,816 : 145,643,924 = 145,643,924 : x
  2. Step 2: Convert to fraction form
    68,088,816/145,643,924 = 145,643,924/x
  3. Step 3: Cross multiply
    68,088,816x = 145,643,924 × 145,643,924
  4. Step 4: Simplify right side
    68,088,816x = 21,212,152,598,117,776
  5. Step 5: Solve for x
    x = 21,212,152,598,117,776/68,088,816
  6. Step 6: Final answer
    x = 311,536,517.22

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These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.