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Finding the Third Proportional to 1,381,208.63 and 3,013,306.88

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Solution

The third proportional to 1,381,208.63 and 3,013,306.88 is: 6,573,965.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,208.63 : 3,013,306.88 = 3,013,306.88 : x
  2. Step 2: Convert to fraction form
    1,381,208.63/3,013,306.88 = 3,013,306.88/x
  3. Step 3: Cross multiply
    1,381,208.63x = 3,013,306.88 × 3,013,306.88
  4. Step 4: Simplify right side
    1,381,208.63x = 9,080,018,322,922.27
  5. Step 5: Solve for x
    x = 9,080,018,322,922.27/1,381,208.63
  6. Step 6: Final answer
    x = 6,573,965.84

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.