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Finding the Third Proportional to 196,348.50 and 424,029

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Solution

The third proportional to 196,348.50 and 424,029 is: 915,721.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,348.50 : 424,029 = 424,029 : x
  2. Step 2: Convert to fraction form
    196,348.50/424,029 = 424,029/x
  3. Step 3: Cross multiply
    196,348.50x = 424,029 × 424,029
  4. Step 4: Simplify right side
    196,348.50x = 179,800,592,841
  5. Step 5: Solve for x
    x = 179,800,592,841/196,348.50
  6. Step 6: Final answer
    x = 915,721.75

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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.