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Finding the Third Proportional to 193,288.50 and 392,011.50

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Solution

The third proportional to 193,288.50 and 392,011.50 is: 795,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,288.50 : 392,011.50 = 392,011.50 : x
  2. Step 2: Convert to fraction form
    193,288.50/392,011.50 = 392,011.50/x
  3. Step 3: Cross multiply
    193,288.50x = 392,011.50 × 392,011.50
  4. Step 4: Simplify right side
    193,288.50x = 153,673,016,132.25
  5. Step 5: Solve for x
    x = 153,673,016,132.25/193,288.50
  6. Step 6: Final answer
    x = 795,044.80

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.