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Finding the Third Proportional to 323,640 and 506,628

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Solution

The third proportional to 323,640 and 506,628 is: 793,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,640 : 506,628 = 506,628 : x
  2. Step 2: Convert to fraction form
    323,640/506,628 = 506,628/x
  3. Step 3: Cross multiply
    323,640x = 506,628 × 506,628
  4. Step 4: Simplify right side
    323,640x = 256,671,930,384
  5. Step 5: Solve for x
    x = 256,671,930,384/323,640
  6. Step 6: Final answer
    x = 793,078.51

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.