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Finding the Third Proportional to 1,607,715 and 3,539,278

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Solution

The third proportional to 1,607,715 and 3,539,278 is: 7,791,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,715 : 3,539,278 = 3,539,278 : x
  2. Step 2: Convert to fraction form
    1,607,715/3,539,278 = 3,539,278/x
  3. Step 3: Cross multiply
    1,607,715x = 3,539,278 × 3,539,278
  4. Step 4: Simplify right side
    1,607,715x = 12,526,488,761,284
  5. Step 5: Solve for x
    x = 12,526,488,761,284/1,607,715
  6. Step 6: Final answer
    x = 7,791,485.90

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.