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Finding the Third Proportional to 449,155.13 and 985,263.75

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Solution

The third proportional to 449,155.13 and 985,263.75 is: 2,161,268.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,155.13 : 985,263.75 = 985,263.75 : x
  2. Step 2: Convert to fraction form
    449,155.13/985,263.75 = 985,263.75/x
  3. Step 3: Cross multiply
    449,155.13x = 985,263.75 × 985,263.75
  4. Step 4: Simplify right side
    449,155.13x = 970,744,657,064.06
  5. Step 5: Solve for x
    x = 970,744,657,064.06/449,155.13
  6. Step 6: Final answer
    x = 2,161,268.13

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.