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Finding the Third Proportional to 340,103.25 and 508,378.50

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Solution

The third proportional to 340,103.25 and 508,378.50 is: 759,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,103.25 : 508,378.50 = 508,378.50 : x
  2. Step 2: Convert to fraction form
    340,103.25/508,378.50 = 508,378.50/x
  3. Step 3: Cross multiply
    340,103.25x = 508,378.50 × 508,378.50
  4. Step 4: Simplify right side
    340,103.25x = 258,448,699,262.25
  5. Step 5: Solve for x
    x = 258,448,699,262.25/340,103.25
  6. Step 6: Final answer
    x = 759,912.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.