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Finding the Third Proportional to 553,446 and 835,252

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Solution

The third proportional to 553,446 and 835,252 is: 1,260,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,446 : 835,252 = 835,252 : x
  2. Step 2: Convert to fraction form
    553,446/835,252 = 835,252/x
  3. Step 3: Cross multiply
    553,446x = 835,252 × 835,252
  4. Step 4: Simplify right side
    553,446x = 697,645,903,504
  5. Step 5: Solve for x
    x = 697,645,903,504/553,446
  6. Step 6: Final answer
    x = 1,260,549.18

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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.