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Finding the Third Proportional to 1,286,069.91 and 1,973,577.66

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Solution

The third proportional to 1,286,069.91 and 1,973,577.66 is: 3,028,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,069.91 : 1,973,577.66 = 1,973,577.66 : x
  2. Step 2: Convert to fraction form
    1,286,069.91/1,973,577.66 = 1,973,577.66/x
  3. Step 3: Cross multiply
    1,286,069.91x = 1,973,577.66 × 1,973,577.66
  4. Step 4: Simplify right side
    1,286,069.91x = 3,895,008,765,249.24
  5. Step 5: Solve for x
    x = 3,895,008,765,249.24/1,286,069.91
  6. Step 6: Final answer
    x = 3,028,613.57

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.