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Finding the Third Proportional to 31,566,180,559 and 68,689,280,486

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Solution

The third proportional to 31,566,180,559 and 68,689,280,486 is: 149,470,641,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566,180,559 : 68,689,280,486 = 68,689,280,486 : x
  2. Step 2: Convert to fraction form
    31,566,180,559/68,689,280,486 = 68,689,280,486/x
  3. Step 3: Cross multiply
    31,566,180,559x = 68,689,280,486 × 68,689,280,486
  4. Step 4: Simplify right side
    31,566,180,559x = 4,718,217,253,684,380,172,288
  5. Step 5: Solve for x
    x = 4,718,217,253,684,380,172,288/31,566,180,559
  6. Step 6: Final answer
    x = 149,470,641,367.76

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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.