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Finding the Third Proportional to 79,356,123 and 121,390,306.50

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Solution

The third proportional to 79,356,123 and 121,390,306.50 is: 185,689,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,356,123 : 121,390,306.50 = 121,390,306.50 : x
  2. Step 2: Convert to fraction form
    79,356,123/121,390,306.50 = 121,390,306.50/x
  3. Step 3: Cross multiply
    79,356,123x = 121,390,306.50 × 121,390,306.50
  4. Step 4: Simplify right side
    79,356,123x = 14,735,606,512,163,942
  5. Step 5: Solve for x
    x = 14,735,606,512,163,942/79,356,123
  6. Step 6: Final answer
    x = 185,689,597.16

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.