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Finding the Third Proportional to 243,769.50 and 358,600.50

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Solution

The third proportional to 243,769.50 and 358,600.50 is: 527,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,769.50 : 358,600.50 = 358,600.50 : x
  2. Step 2: Convert to fraction form
    243,769.50/358,600.50 = 358,600.50/x
  3. Step 3: Cross multiply
    243,769.50x = 358,600.50 × 358,600.50
  4. Step 4: Simplify right side
    243,769.50x = 128,594,318,600.25
  5. Step 5: Solve for x
    x = 128,594,318,600.25/243,769.50
  6. Step 6: Final answer
    x = 527,524.23

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.