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Finding the Third Proportional to 322,651.50 and 501,235.50

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Solution

The third proportional to 322,651.50 and 501,235.50 is: 778,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,651.50 : 501,235.50 = 501,235.50 : x
  2. Step 2: Convert to fraction form
    322,651.50/501,235.50 = 501,235.50/x
  3. Step 3: Cross multiply
    322,651.50x = 501,235.50 × 501,235.50
  4. Step 4: Simplify right side
    322,651.50x = 251,237,026,460.25
  5. Step 5: Solve for x
    x = 251,237,026,460.25/322,651.50
  6. Step 6: Final answer
    x = 778,663.75

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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.