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Finding the Third Proportional to 379,698.50 and 554,553.50

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Solution

The third proportional to 379,698.50 and 554,553.50 is: 809,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,698.50 : 554,553.50 = 554,553.50 : x
  2. Step 2: Convert to fraction form
    379,698.50/554,553.50 = 554,553.50/x
  3. Step 3: Cross multiply
    379,698.50x = 554,553.50 × 554,553.50
  4. Step 4: Simplify right side
    379,698.50x = 307,529,584,362.25
  5. Step 5: Solve for x
    x = 307,529,584,362.25/379,698.50
  6. Step 6: Final answer
    x = 809,931.00

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.