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Finding the Third Proportional to 523,640 and 800,688

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Solution

The third proportional to 523,640 and 800,688 is: 1,224,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,640 : 800,688 = 800,688 : x
  2. Step 2: Convert to fraction form
    523,640/800,688 = 800,688/x
  3. Step 3: Cross multiply
    523,640x = 800,688 × 800,688
  4. Step 4: Simplify right side
    523,640x = 641,101,273,344
  5. Step 5: Solve for x
    x = 641,101,273,344/523,640
  6. Step 6: Final answer
    x = 1,224,316.85

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.