Home / 117,220,456.50-172,318,512.75

Finding the Third Proportional to 117,220,456.50 and 172,318,512.75

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Solution

The third proportional to 117,220,456.50 and 172,318,512.75 is: 253,314,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,220,456.50 : 172,318,512.75 = 172,318,512.75 : x
  2. Step 2: Convert to fraction form
    117,220,456.50/172,318,512.75 = 172,318,512.75/x
  3. Step 3: Cross multiply
    117,220,456.50x = 172,318,512.75 × 172,318,512.75
  4. Step 4: Simplify right side
    117,220,456.50x = 29,693,669,836,371,912
  5. Step 5: Solve for x
    x = 29,693,669,836,371,912/117,220,456.50
  6. Step 6: Final answer
    x = 253,314,743.20

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.