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Finding the Third Proportional to 858,291.75 and 1,864,062

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Solution

The third proportional to 858,291.75 and 1,864,062 is: 4,048,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,291.75 : 1,864,062 = 1,864,062 : x
  2. Step 2: Convert to fraction form
    858,291.75/1,864,062 = 1,864,062/x
  3. Step 3: Cross multiply
    858,291.75x = 1,864,062 × 1,864,062
  4. Step 4: Simplify right side
    858,291.75x = 3,474,727,139,844
  5. Step 5: Solve for x
    x = 3,474,727,139,844/858,291.75
  6. Step 6: Final answer
    x = 4,048,421.93

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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.