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Finding the Third Proportional to 1,291,797 and 3,017,261.81

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Solution

The third proportional to 1,291,797 and 3,017,261.81 is: 7,047,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,797 : 3,017,261.81 = 3,017,261.81 : x
  2. Step 2: Convert to fraction form
    1,291,797/3,017,261.81 = 3,017,261.81/x
  3. Step 3: Cross multiply
    1,291,797x = 3,017,261.81 × 3,017,261.81
  4. Step 4: Simplify right side
    1,291,797x = 9,103,868,845,170.79
  5. Step 5: Solve for x
    x = 9,103,868,845,170.79/1,291,797
  6. Step 6: Final answer
    x = 7,047,445.42

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.