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Finding the Third Proportional to 85,152,928 and 133,399,920

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Solution

The third proportional to 85,152,928 and 133,399,920 is: 208,983,285.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,152,928 : 133,399,920 = 133,399,920 : x
  2. Step 2: Convert to fraction form
    85,152,928/133,399,920 = 133,399,920/x
  3. Step 3: Cross multiply
    85,152,928x = 133,399,920 × 133,399,920
  4. Step 4: Simplify right side
    85,152,928x = 17,795,538,656,006,400
  5. Step 5: Solve for x
    x = 17,795,538,656,006,400/85,152,928
  6. Step 6: Final answer
    x = 208,983,285.41

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.