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Finding the Third Proportional to 8,695,809 and 18,889,983

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Solution

The third proportional to 8,695,809 and 18,889,983 is: 41,034,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695,809 : 18,889,983 = 18,889,983 : x
  2. Step 2: Convert to fraction form
    8,695,809/18,889,983 = 18,889,983/x
  3. Step 3: Cross multiply
    8,695,809x = 18,889,983 × 18,889,983
  4. Step 4: Simplify right side
    8,695,809x = 356,831,457,740,289
  5. Step 5: Solve for x
    x = 356,831,457,740,289/8,695,809
  6. Step 6: Final answer
    x = 41,034,877.58

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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.