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Finding the Third Proportional to 80,135,688 and 119,731,800

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Solution

The third proportional to 80,135,688 and 119,731,800 is: 178,892,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,135,688 : 119,731,800 = 119,731,800 : x
  2. Step 2: Convert to fraction form
    80,135,688/119,731,800 = 119,731,800/x
  3. Step 3: Cross multiply
    80,135,688x = 119,731,800 × 119,731,800
  4. Step 4: Simplify right side
    80,135,688x = 14,335,703,931,240,000
  5. Step 5: Solve for x
    x = 14,335,703,931,240,000/80,135,688
  6. Step 6: Final answer
    x = 178,892,878.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.