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Finding the Third Proportional to 855,904 and 1,324,572

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Solution

The third proportional to 855,904 and 1,324,572 is: 2,049,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,904 : 1,324,572 = 1,324,572 : x
  2. Step 2: Convert to fraction form
    855,904/1,324,572 = 1,324,572/x
  3. Step 3: Cross multiply
    855,904x = 1,324,572 × 1,324,572
  4. Step 4: Simplify right side
    855,904x = 1,754,490,983,184
  5. Step 5: Solve for x
    x = 1,754,490,983,184/855,904
  6. Step 6: Final answer
    x = 2,049,868.89

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.