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Finding the Third Proportional to 334,226 and 721,726

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Solution

The third proportional to 334,226 and 721,726 is: 1,558,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,226 : 721,726 = 721,726 : x
  2. Step 2: Convert to fraction form
    334,226/721,726 = 721,726/x
  3. Step 3: Cross multiply
    334,226x = 721,726 × 721,726
  4. Step 4: Simplify right side
    334,226x = 520,888,419,076
  5. Step 5: Solve for x
    x = 520,888,419,076/334,226
  6. Step 6: Final answer
    x = 1,558,491.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.