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Finding the Third Proportional to 537,417 and 812,173

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Solution

The third proportional to 537,417 and 812,173 is: 1,227,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,417 : 812,173 = 812,173 : x
  2. Step 2: Convert to fraction form
    537,417/812,173 = 812,173/x
  3. Step 3: Cross multiply
    537,417x = 812,173 × 812,173
  4. Step 4: Simplify right side
    537,417x = 659,624,981,929
  5. Step 5: Solve for x
    x = 659,624,981,929/537,417
  6. Step 6: Final answer
    x = 1,227,398.80

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.