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Finding the Third Proportional to 727,251 and 1,555,590

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Solution

The third proportional to 727,251 and 1,555,590 is: 3,327,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,251 : 1,555,590 = 1,555,590 : x
  2. Step 2: Convert to fraction form
    727,251/1,555,590 = 1,555,590/x
  3. Step 3: Cross multiply
    727,251x = 1,555,590 × 1,555,590
  4. Step 4: Simplify right side
    727,251x = 2,419,860,248,100
  5. Step 5: Solve for x
    x = 2,419,860,248,100/727,251
  6. Step 6: Final answer
    x = 3,327,407.25

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.