Home / 987,919,339.35-2,156,872,670.75

Finding the Third Proportional to 987,919,339.35 and 2,156,872,670.75

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Solution

The third proportional to 987,919,339.35 and 2,156,872,670.75 is: 4,708,987,396.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,919,339.35 : 2,156,872,670.75 = 2,156,872,670.75 : x
  2. Step 2: Convert to fraction form
    987,919,339.35/2,156,872,670.75 = 2,156,872,670.75/x
  3. Step 3: Cross multiply
    987,919,339.35x = 2,156,872,670.75 × 2,156,872,670.75
  4. Step 4: Simplify right side
    987,919,339.35x = 4,652,099,717,826,944,000
  5. Step 5: Solve for x
    x = 4,652,099,717,826,944,000/987,919,339.35
  6. Step 6: Final answer
    x = 4,708,987,396.57

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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.