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Finding the Third Proportional to 17,179,951.50 and 36,818,728.50

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Solution

The third proportional to 17,179,951.50 and 36,818,728.50 is: 78,907,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,179,951.50 : 36,818,728.50 = 36,818,728.50 : x
  2. Step 2: Convert to fraction form
    17,179,951.50/36,818,728.50 = 36,818,728.50/x
  3. Step 3: Cross multiply
    17,179,951.50x = 36,818,728.50 × 36,818,728.50
  4. Step 4: Simplify right side
    17,179,951.50x = 1,355,618,768,356,712.25
  5. Step 5: Solve for x
    x = 1,355,618,768,356,712.25/17,179,951.50
  6. Step 6: Final answer
    x = 78,907,019.52

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.