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Finding the Third Proportional to 8,682,038 and 18,858,688

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Solution

The third proportional to 8,682,038 and 18,858,688 is: 40,963,897.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,038 : 18,858,688 = 18,858,688 : x
  2. Step 2: Convert to fraction form
    8,682,038/18,858,688 = 18,858,688/x
  3. Step 3: Cross multiply
    8,682,038x = 18,858,688 × 18,858,688
  4. Step 4: Simplify right side
    8,682,038x = 355,650,113,081,344
  5. Step 5: Solve for x
    x = 355,650,113,081,344/8,682,038
  6. Step 6: Final answer
    x = 40,963,897.31

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.