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Finding the Third Proportional to 398,232 and 859,797

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Solution

The third proportional to 398,232 and 859,797 is: 1,856,332.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,232 : 859,797 = 859,797 : x
  2. Step 2: Convert to fraction form
    398,232/859,797 = 859,797/x
  3. Step 3: Cross multiply
    398,232x = 859,797 × 859,797
  4. Step 4: Simplify right side
    398,232x = 739,250,881,209
  5. Step 5: Solve for x
    x = 739,250,881,209/398,232
  6. Step 6: Final answer
    x = 1,856,332.19

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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.