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Finding the Third Proportional to 7,873,407 and 11,258,985

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Solution

The third proportional to 7,873,407 and 11,258,985 is: 16,100,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,407 : 11,258,985 = 11,258,985 : x
  2. Step 2: Convert to fraction form
    7,873,407/11,258,985 = 11,258,985/x
  3. Step 3: Cross multiply
    7,873,407x = 11,258,985 × 11,258,985
  4. Step 4: Simplify right side
    7,873,407x = 126,764,743,230,225
  5. Step 5: Solve for x
    x = 126,764,743,230,225/7,873,407
  6. Step 6: Final answer
    x = 16,100,367.13

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.