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Finding the Third Proportional to 207,368 and 454,912

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Solution

The third proportional to 207,368 and 454,912 is: 997,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,368 : 454,912 = 454,912 : x
  2. Step 2: Convert to fraction form
    207,368/454,912 = 454,912/x
  3. Step 3: Cross multiply
    207,368x = 454,912 × 454,912
  4. Step 4: Simplify right side
    207,368x = 206,944,927,744
  5. Step 5: Solve for x
    x = 206,944,927,744/207,368
  6. Step 6: Final answer
    x = 997,959.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.