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Finding the Third Proportional to 1,611,520 and 2,515,360

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Solution

The third proportional to 1,611,520 and 2,515,360 is: 3,926,129.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611,520 : 2,515,360 = 2,515,360 : x
  2. Step 2: Convert to fraction form
    1,611,520/2,515,360 = 2,515,360/x
  3. Step 3: Cross multiply
    1,611,520x = 2,515,360 × 2,515,360
  4. Step 4: Simplify right side
    1,611,520x = 6,327,035,929,600
  5. Step 5: Solve for x
    x = 6,327,035,929,600/1,611,520
  6. Step 6: Final answer
    x = 3,926,129.32

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Why These Related Problems?

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