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Finding the Third Proportional to 1,628,718.89 and 3,473,855.86

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Solution

The third proportional to 1,628,718.89 and 3,473,855.86 is: 7,409,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,718.89 : 3,473,855.86 = 3,473,855.86 : x
  2. Step 2: Convert to fraction form
    1,628,718.89/3,473,855.86 = 3,473,855.86/x
  3. Step 3: Cross multiply
    1,628,718.89x = 3,473,855.86 × 3,473,855.86
  4. Step 4: Simplify right side
    1,628,718.89x = 12,067,674,531,714.02
  5. Step 5: Solve for x
    x = 12,067,674,531,714.02/1,628,718.89
  6. Step 6: Final answer
    x = 7,409,304.70

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.