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Finding the Third Proportional to 5,384,690,109 and 8,271,543,312

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Solution

The third proportional to 5,384,690,109 and 8,271,543,312 is: 12,706,103,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384,690,109 : 8,271,543,312 = 8,271,543,312 : x
  2. Step 2: Convert to fraction form
    5,384,690,109/8,271,543,312 = 8,271,543,312/x
  3. Step 3: Cross multiply
    5,384,690,109x = 8,271,543,312 × 8,271,543,312
  4. Step 4: Simplify right side
    5,384,690,109x = 68,418,428,762,291,929,088
  5. Step 5: Solve for x
    x = 68,418,428,762,291,929,088/5,384,690,109
  6. Step 6: Final answer
    x = 12,706,103,299.79

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.