Home / 123,166,939.50-172,194,639.75

Finding the Third Proportional to 123,166,939.50 and 172,194,639.75

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Solution

The third proportional to 123,166,939.50 and 172,194,639.75 is: 240,738,253.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,166,939.50 : 172,194,639.75 = 172,194,639.75 : x
  2. Step 2: Convert to fraction form
    123,166,939.50/172,194,639.75 = 172,194,639.75/x
  3. Step 3: Cross multiply
    123,166,939.50x = 172,194,639.75 × 172,194,639.75
  4. Step 4: Simplify right side
    123,166,939.50x = 29,650,993,958,632,280
  5. Step 5: Solve for x
    x = 29,650,993,958,632,280/123,166,939.50
  6. Step 6: Final answer
    x = 240,738,253.94

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.