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Finding the Third Proportional to 8,219,460 and 13,090,230

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Solution

The third proportional to 8,219,460 and 13,090,230 is: 20,847,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,219,460 : 13,090,230 = 13,090,230 : x
  2. Step 2: Convert to fraction form
    8,219,460/13,090,230 = 13,090,230/x
  3. Step 3: Cross multiply
    8,219,460x = 13,090,230 × 13,090,230
  4. Step 4: Simplify right side
    8,219,460x = 171,354,121,452,900
  5. Step 5: Solve for x
    x = 171,354,121,452,900/8,219,460
  6. Step 6: Final answer
    x = 20,847,369.71

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.