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Finding the Third Proportional to 3,390,276 and 5,116,942

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Solution

The third proportional to 3,390,276 and 5,116,942 is: 7,722,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,276 : 5,116,942 = 5,116,942 : x
  2. Step 2: Convert to fraction form
    3,390,276/5,116,942 = 5,116,942/x
  3. Step 3: Cross multiply
    3,390,276x = 5,116,942 × 5,116,942
  4. Step 4: Simplify right side
    3,390,276x = 26,183,095,431,364
  5. Step 5: Solve for x
    x = 26,183,095,431,364/3,390,276
  6. Step 6: Final answer
    x = 7,722,998.20

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.