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Finding the Third Proportional to 1,989,586.13 and 3,003,289.88

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Solution

The third proportional to 1,989,586.13 and 3,003,289.88 is: 4,533,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,586.13 : 3,003,289.88 = 3,003,289.88 : x
  2. Step 2: Convert to fraction form
    1,989,586.13/3,003,289.88 = 3,003,289.88/x
  3. Step 3: Cross multiply
    1,989,586.13x = 3,003,289.88 × 3,003,289.88
  4. Step 4: Simplify right side
    1,989,586.13x = 9,019,750,073,277.52
  5. Step 5: Solve for x
    x = 9,019,750,073,277.52/1,989,586.13
  6. Step 6: Final answer
    x = 4,533,480.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.