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Finding the Third Proportional to 891,082.69 and 1,916,508.94

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Solution

The third proportional to 891,082.69 and 1,916,508.94 is: 4,121,959.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,082.69 : 1,916,508.94 = 1,916,508.94 : x
  2. Step 2: Convert to fraction form
    891,082.69/1,916,508.94 = 1,916,508.94/x
  3. Step 3: Cross multiply
    891,082.69x = 1,916,508.94 × 1,916,508.94
  4. Step 4: Simplify right side
    891,082.69x = 3,673,006,507,517.38
  5. Step 5: Solve for x
    x = 3,673,006,507,517.38/891,082.69
  6. Step 6: Final answer
    x = 4,121,959.23

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.