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Finding the Third Proportional to 79,353,908 and 122,569,109.50

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Solution

The third proportional to 79,353,908 and 122,569,109.50 is: 189,318,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,353,908 : 122,569,109.50 = 122,569,109.50 : x
  2. Step 2: Convert to fraction form
    79,353,908/122,569,109.50 = 122,569,109.50/x
  3. Step 3: Cross multiply
    79,353,908x = 122,569,109.50 × 122,569,109.50
  4. Step 4: Simplify right side
    79,353,908x = 15,023,186,603,622,990
  5. Step 5: Solve for x
    x = 15,023,186,603,622,990/79,353,908
  6. Step 6: Final answer
    x = 189,318,799.57

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.