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Finding the Third Proportional to 5,813,892,915.75 and 12,753,368,021.25

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Solution

The third proportional to 5,813,892,915.75 and 12,753,368,021.25 is: 27,975,815,558.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813,892,915.75 : 12,753,368,021.25 = 12,753,368,021.25 : x
  2. Step 2: Convert to fraction form
    5,813,892,915.75/12,753,368,021.25 = 12,753,368,021.25/x
  3. Step 3: Cross multiply
    5,813,892,915.75x = 12,753,368,021.25 × 12,753,368,021.25
  4. Step 4: Simplify right side
    5,813,892,915.75x = 162,648,395,885,442,138,112
  5. Step 5: Solve for x
    x = 162,648,395,885,442,138,112/5,813,892,915.75
  6. Step 6: Final answer
    x = 27,975,815,558.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.