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Finding the Third Proportional to 15,911,496,861 and 34,647,934,803

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Solution

The third proportional to 15,911,496,861 and 34,647,934,803 is: 75,447,294,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,911,496,861 : 34,647,934,803 = 34,647,934,803 : x
  2. Step 2: Convert to fraction form
    15,911,496,861/34,647,934,803 = 34,647,934,803/x
  3. Step 3: Cross multiply
    15,911,496,861x = 34,647,934,803 × 34,647,934,803
  4. Step 4: Simplify right side
    15,911,496,861x = 1,200,479,386,112,938,737,664
  5. Step 5: Solve for x
    x = 1,200,479,386,112,938,737,664/15,911,496,861
  6. Step 6: Final answer
    x = 75,447,294,280.36

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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.