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Finding the Third Proportional to 5,138,010 and 8,001,147

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Solution

The third proportional to 5,138,010 and 8,001,147 is: 12,459,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,138,010 : 8,001,147 = 8,001,147 : x
  2. Step 2: Convert to fraction form
    5,138,010/8,001,147 = 8,001,147/x
  3. Step 3: Cross multiply
    5,138,010x = 8,001,147 × 8,001,147
  4. Step 4: Simplify right side
    5,138,010x = 64,018,353,315,609
  5. Step 5: Solve for x
    x = 64,018,353,315,609/5,138,010
  6. Step 6: Final answer
    x = 12,459,756.47

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.