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Finding the Third Proportional to 1,297,854.56 and 2,840,082.75

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Solution

The third proportional to 1,297,854.56 and 2,840,082.75 is: 6,214,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,854.56 : 2,840,082.75 = 2,840,082.75 : x
  2. Step 2: Convert to fraction form
    1,297,854.56/2,840,082.75 = 2,840,082.75/x
  3. Step 3: Cross multiply
    1,297,854.56x = 2,840,082.75 × 2,840,082.75
  4. Step 4: Simplify right side
    1,297,854.56x = 8,066,070,026,847.56
  5. Step 5: Solve for x
    x = 8,066,070,026,847.56/1,297,854.56
  6. Step 6: Final answer
    x = 6,214,925.97

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.