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Finding the Third Proportional to 500,663.95 and 775,734.05

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Solution

The third proportional to 500,663.95 and 775,734.05 is: 1,201,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,663.95 : 775,734.05 = 775,734.05 : x
  2. Step 2: Convert to fraction form
    500,663.95/775,734.05 = 775,734.05/x
  3. Step 3: Cross multiply
    500,663.95x = 775,734.05 × 775,734.05
  4. Step 4: Simplify right side
    500,663.95x = 601,763,311,481.07
  5. Step 5: Solve for x
    x = 601,763,311,481.07/500,663.95
  6. Step 6: Final answer
    x = 1,201,930.57

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.