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Finding the Third Proportional to 11,148,516 and 15,699,420

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Solution

The third proportional to 11,148,516 and 15,699,420 is: 22,108,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148,516 : 15,699,420 = 15,699,420 : x
  2. Step 2: Convert to fraction form
    11,148,516/15,699,420 = 15,699,420/x
  3. Step 3: Cross multiply
    11,148,516x = 15,699,420 × 15,699,420
  4. Step 4: Simplify right side
    11,148,516x = 246,471,788,336,400
  5. Step 5: Solve for x
    x = 246,471,788,336,400/11,148,516
  6. Step 6: Final answer
    x = 22,108,035.57

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.