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Finding the Third Proportional to 717,560 and 1,561,226

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Solution

The third proportional to 717,560 and 1,561,226 is: 3,396,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,560 : 1,561,226 = 1,561,226 : x
  2. Step 2: Convert to fraction form
    717,560/1,561,226 = 1,561,226/x
  3. Step 3: Cross multiply
    717,560x = 1,561,226 × 1,561,226
  4. Step 4: Simplify right side
    717,560x = 2,437,426,623,076
  5. Step 5: Solve for x
    x = 2,437,426,623,076/717,560
  6. Step 6: Final answer
    x = 3,396,826.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.