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Finding the Third Proportional to 620,242.88 and 1,335,524.25

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Solution

The third proportional to 620,242.88 and 1,335,524.25 is: 2,875,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,242.88 : 1,335,524.25 = 1,335,524.25 : x
  2. Step 2: Convert to fraction form
    620,242.88/1,335,524.25 = 1,335,524.25/x
  3. Step 3: Cross multiply
    620,242.88x = 1,335,524.25 × 1,335,524.25
  4. Step 4: Simplify right side
    620,242.88x = 1,783,625,022,338.06
  5. Step 5: Solve for x
    x = 1,783,625,022,338.06/620,242.88
  6. Step 6: Final answer
    x = 2,875,688.05

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.