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Finding the Third Proportional to 8,731,396 and 18,367,696

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Solution

The third proportional to 8,731,396 and 18,367,696 is: 38,638,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,396 : 18,367,696 = 18,367,696 : x
  2. Step 2: Convert to fraction form
    8,731,396/18,367,696 = 18,367,696/x
  3. Step 3: Cross multiply
    8,731,396x = 18,367,696 × 18,367,696
  4. Step 4: Simplify right side
    8,731,396x = 337,372,256,348,416
  5. Step 5: Solve for x
    x = 337,372,256,348,416/8,731,396
  6. Step 6: Final answer
    x = 38,638,982.40

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.