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Finding the Third Proportional to 84,415.50 and 199,273.50

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Solution

The third proportional to 84,415.50 and 199,273.50 is: 470,410.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,415.50 : 199,273.50 = 199,273.50 : x
  2. Step 2: Convert to fraction form
    84,415.50/199,273.50 = 199,273.50/x
  3. Step 3: Cross multiply
    84,415.50x = 199,273.50 × 199,273.50
  4. Step 4: Simplify right side
    84,415.50x = 39,709,927,802.25
  5. Step 5: Solve for x
    x = 39,709,927,802.25/84,415.50
  6. Step 6: Final answer
    x = 470,410.38

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.