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Finding the Third Proportional to 355,338.75 and 777,108

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Solution

The third proportional to 355,338.75 and 777,108 is: 1,699,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,338.75 : 777,108 = 777,108 : x
  2. Step 2: Convert to fraction form
    355,338.75/777,108 = 777,108/x
  3. Step 3: Cross multiply
    355,338.75x = 777,108 × 777,108
  4. Step 4: Simplify right side
    355,338.75x = 603,896,843,664
  5. Step 5: Solve for x
    x = 603,896,843,664/355,338.75
  6. Step 6: Final answer
    x = 1,699,496.17

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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.