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Finding the Third Proportional to 603,641.25 and 845,991

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Solution

The third proportional to 603,641.25 and 845,991 is: 1,185,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,641.25 : 845,991 = 845,991 : x
  2. Step 2: Convert to fraction form
    603,641.25/845,991 = 845,991/x
  3. Step 3: Cross multiply
    603,641.25x = 845,991 × 845,991
  4. Step 4: Simplify right side
    603,641.25x = 715,700,772,081
  5. Step 5: Solve for x
    x = 715,700,772,081/603,641.25
  6. Step 6: Final answer
    x = 1,185,639.27

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.