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Finding the Third Proportional to 858,297 and 1,864,071.75

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Solution

The third proportional to 858,297 and 1,864,071.75 is: 4,048,439.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,297 : 1,864,071.75 = 1,864,071.75 : x
  2. Step 2: Convert to fraction form
    858,297/1,864,071.75 = 1,864,071.75/x
  3. Step 3: Cross multiply
    858,297x = 1,864,071.75 × 1,864,071.75
  4. Step 4: Simplify right side
    858,297x = 3,474,763,489,148.06
  5. Step 5: Solve for x
    x = 3,474,763,489,148.06/858,297
  6. Step 6: Final answer
    x = 4,048,439.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.