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Finding the Third Proportional to 39,023,787 and 86,772,675

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Solution

The third proportional to 39,023,787 and 86,772,675 is: 192,946,346.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,023,787 : 86,772,675 = 86,772,675 : x
  2. Step 2: Convert to fraction form
    39,023,787/86,772,675 = 86,772,675/x
  3. Step 3: Cross multiply
    39,023,787x = 86,772,675 × 86,772,675
  4. Step 4: Simplify right side
    39,023,787x = 7,529,497,126,655,625
  5. Step 5: Solve for x
    x = 7,529,497,126,655,625/39,023,787
  6. Step 6: Final answer
    x = 192,946,346.46

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.