Home / 141,485,874.75-309,365,556.75

Finding the Third Proportional to 141,485,874.75 and 309,365,556.75

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Solution

The third proportional to 141,485,874.75 and 309,365,556.75 is: 676,442,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,485,874.75 : 309,365,556.75 = 309,365,556.75 : x
  2. Step 2: Convert to fraction form
    141,485,874.75/309,365,556.75 = 309,365,556.75/x
  3. Step 3: Cross multiply
    141,485,874.75x = 309,365,556.75 × 309,365,556.75
  4. Step 4: Simplify right side
    141,485,874.75x = 95,707,047,703,237,472
  5. Step 5: Solve for x
    x = 95,707,047,703,237,472/141,485,874.75
  6. Step 6: Final answer
    x = 676,442,421.35

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.