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Finding the Third Proportional to 148,377 and 320,514

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Solution

The third proportional to 148,377 and 320,514 is: 692,352.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,377 : 320,514 = 320,514 : x
  2. Step 2: Convert to fraction form
    148,377/320,514 = 320,514/x
  3. Step 3: Cross multiply
    148,377x = 320,514 × 320,514
  4. Step 4: Simplify right side
    148,377x = 102,729,224,196
  5. Step 5: Solve for x
    x = 102,729,224,196/148,377
  6. Step 6: Final answer
    x = 692,352.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.