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Finding the Third Proportional to 2,890,128 and 4,500,639

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Solution

The third proportional to 2,890,128 and 4,500,639 is: 7,008,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,128 : 4,500,639 = 4,500,639 : x
  2. Step 2: Convert to fraction form
    2,890,128/4,500,639 = 4,500,639/x
  3. Step 3: Cross multiply
    2,890,128x = 4,500,639 × 4,500,639
  4. Step 4: Simplify right side
    2,890,128x = 20,255,751,408,321
  5. Step 5: Solve for x
    x = 20,255,751,408,321/2,890,128
  6. Step 6: Final answer
    x = 7,008,600.11

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.