Home / 120,830,771.83-178,981,132.68

Finding the Third Proportional to 120,830,771.83 and 178,981,132.68

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Solution

The third proportional to 120,830,771.83 and 178,981,132.68 is: 265,116,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,830,771.83 : 178,981,132.68 = 178,981,132.68 : x
  2. Step 2: Convert to fraction form
    120,830,771.83/178,981,132.68 = 178,981,132.68/x
  3. Step 3: Cross multiply
    120,830,771.83x = 178,981,132.68 × 178,981,132.68
  4. Step 4: Simplify right side
    120,830,771.83x = 32,034,245,853,908,748
  5. Step 5: Solve for x
    x = 32,034,245,853,908,748/120,830,771.83
  6. Step 6: Final answer
    x = 265,116,620.28

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.