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Finding the Third Proportional to 1,489,908.94 and 3,215,877.19

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Solution

The third proportional to 1,489,908.94 and 3,215,877.19 is: 6,941,273.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,908.94 : 3,215,877.19 = 3,215,877.19 : x
  2. Step 2: Convert to fraction form
    1,489,908.94/3,215,877.19 = 3,215,877.19/x
  3. Step 3: Cross multiply
    1,489,908.94x = 3,215,877.19 × 3,215,877.19
  4. Step 4: Simplify right side
    1,489,908.94x = 10,341,866,085,082.91
  5. Step 5: Solve for x
    x = 10,341,866,085,082.91/1,489,908.94
  6. Step 6: Final answer
    x = 6,941,273.94

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.