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Finding the Third Proportional to 1,618,036.88 and 2,512,310.63

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Solution

The third proportional to 1,618,036.88 and 2,512,310.63 is: 3,900,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,036.88 : 2,512,310.63 = 2,512,310.63 : x
  2. Step 2: Convert to fraction form
    1,618,036.88/2,512,310.63 = 2,512,310.63/x
  3. Step 3: Cross multiply
    1,618,036.88x = 2,512,310.63 × 2,512,310.63
  4. Step 4: Simplify right side
    1,618,036.88x = 6,311,704,676,487.89
  5. Step 5: Solve for x
    x = 6,311,704,676,487.89/1,618,036.88
  6. Step 6: Final answer
    x = 3,900,841.06

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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.