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Finding the Third Proportional to 1,321,933.50 and 1,783,600.88

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Solution

The third proportional to 1,321,933.50 and 1,783,600.88 is: 2,406,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,933.50 : 1,783,600.88 = 1,783,600.88 : x
  2. Step 2: Convert to fraction form
    1,321,933.50/1,783,600.88 = 1,783,600.88/x
  3. Step 3: Cross multiply
    1,321,933.50x = 1,783,600.88 × 1,783,600.88
  4. Step 4: Simplify right side
    1,321,933.50x = 3,181,232,081,300.77
  5. Step 5: Solve for x
    x = 3,181,232,081,300.77/1,321,933.50
  6. Step 6: Final answer
    x = 2,406,499.33

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.