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Finding the Third Proportional to 3,177,069,147 and 6,926,189,490

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Solution

The third proportional to 3,177,069,147 and 6,926,189,490 is: 15,099,482,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177,069,147 : 6,926,189,490 = 6,926,189,490 : x
  2. Step 2: Convert to fraction form
    3,177,069,147/6,926,189,490 = 6,926,189,490/x
  3. Step 3: Cross multiply
    3,177,069,147x = 6,926,189,490 × 6,926,189,490
  4. Step 4: Simplify right side
    3,177,069,147x = 47,972,100,851,386,458,112
  5. Step 5: Solve for x
    x = 47,972,100,851,386,458,112/3,177,069,147
  6. Step 6: Final answer
    x = 15,099,482,772.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.