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Finding the Third Proportional to 515,173.50 and 757,863

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Solution

The third proportional to 515,173.50 and 757,863 is: 1,114,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,173.50 : 757,863 = 757,863 : x
  2. Step 2: Convert to fraction form
    515,173.50/757,863 = 757,863/x
  3. Step 3: Cross multiply
    515,173.50x = 757,863 × 757,863
  4. Step 4: Simplify right side
    515,173.50x = 574,356,326,769
  5. Step 5: Solve for x
    x = 574,356,326,769/515,173.50
  6. Step 6: Final answer
    x = 1,114,879.41

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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.