Home / 203,151,919.50-309,480,959.25

Finding the Third Proportional to 203,151,919.50 and 309,480,959.25

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Solution

The third proportional to 203,151,919.50 and 309,480,959.25 is: 471,462,265.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,151,919.50 : 309,480,959.25 = 309,480,959.25 : x
  2. Step 2: Convert to fraction form
    203,151,919.50/309,480,959.25 = 309,480,959.25/x
  3. Step 3: Cross multiply
    203,151,919.50x = 309,480,959.25 × 309,480,959.25
  4. Step 4: Simplify right side
    203,151,919.50x = 95,778,464,138,300,160
  5. Step 5: Solve for x
    x = 95,778,464,138,300,160/203,151,919.50
  6. Step 6: Final answer
    x = 471,462,265.16

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.