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Finding the Third Proportional to 281,662 and 626,298

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Solution

The third proportional to 281,662 and 626,298 is: 1,392,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,662 : 626,298 = 626,298 : x
  2. Step 2: Convert to fraction form
    281,662/626,298 = 626,298/x
  3. Step 3: Cross multiply
    281,662x = 626,298 × 626,298
  4. Step 4: Simplify right side
    281,662x = 392,249,184,804
  5. Step 5: Solve for x
    x = 392,249,184,804/281,662
  6. Step 6: Final answer
    x = 1,392,623.73

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.