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Finding the Third Proportional to 889,197.75 and 1,871,317.69

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Solution

The third proportional to 889,197.75 and 1,871,317.69 is: 3,938,190.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,197.75 : 1,871,317.69 = 1,871,317.69 : x
  2. Step 2: Convert to fraction form
    889,197.75/1,871,317.69 = 1,871,317.69/x
  3. Step 3: Cross multiply
    889,197.75x = 1,871,317.69 × 1,871,317.69
  4. Step 4: Simplify right side
    889,197.75x = 3,501,829,887,550.35
  5. Step 5: Solve for x
    x = 3,501,829,887,550.35/889,197.75
  6. Step 6: Final answer
    x = 3,938,190.23

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.