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Finding the Third Proportional to 8,431,407 and 18,141,592

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Solution

The third proportional to 8,431,407 and 18,141,592 is: 39,034,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,407 : 18,141,592 = 18,141,592 : x
  2. Step 2: Convert to fraction form
    8,431,407/18,141,592 = 18,141,592/x
  3. Step 3: Cross multiply
    8,431,407x = 18,141,592 × 18,141,592
  4. Step 4: Simplify right side
    8,431,407x = 329,117,360,294,464
  5. Step 5: Solve for x
    x = 329,117,360,294,464/8,431,407
  6. Step 6: Final answer
    x = 39,034,690.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.