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Finding the Third Proportional to 676,218 and 1,046,517

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Solution

The third proportional to 676,218 and 1,046,517 is: 1,619,592.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,218 : 1,046,517 = 1,046,517 : x
  2. Step 2: Convert to fraction form
    676,218/1,046,517 = 1,046,517/x
  3. Step 3: Cross multiply
    676,218x = 1,046,517 × 1,046,517
  4. Step 4: Simplify right side
    676,218x = 1,095,197,831,289
  5. Step 5: Solve for x
    x = 1,095,197,831,289/676,218
  6. Step 6: Final answer
    x = 1,619,592.84

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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.