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Finding the Third Proportional to 717,586 and 1,110,399

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Solution

The third proportional to 717,586 and 1,110,399 is: 1,718,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,586 : 1,110,399 = 1,110,399 : x
  2. Step 2: Convert to fraction form
    717,586/1,110,399 = 1,110,399/x
  3. Step 3: Cross multiply
    717,586x = 1,110,399 × 1,110,399
  4. Step 4: Simplify right side
    717,586x = 1,232,985,939,201
  5. Step 5: Solve for x
    x = 1,232,985,939,201/717,586
  6. Step 6: Final answer
    x = 1,718,241.35

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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.