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Finding the Third Proportional to 254,866.50 and 404,898.75

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Solution

The third proportional to 254,866.50 and 404,898.75 is: 643,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,866.50 : 404,898.75 = 404,898.75 : x
  2. Step 2: Convert to fraction form
    254,866.50/404,898.75 = 404,898.75/x
  3. Step 3: Cross multiply
    254,866.50x = 404,898.75 × 404,898.75
  4. Step 4: Simplify right side
    254,866.50x = 163,942,997,751.56
  5. Step 5: Solve for x
    x = 163,942,997,751.56/254,866.50
  6. Step 6: Final answer
    x = 643,250.48

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.