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Finding the Third Proportional to 401,151 and 874,248

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Solution

The third proportional to 401,151 and 874,248 is: 1,905,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,151 : 874,248 = 874,248 : x
  2. Step 2: Convert to fraction form
    401,151/874,248 = 874,248/x
  3. Step 3: Cross multiply
    401,151x = 874,248 × 874,248
  4. Step 4: Simplify right side
    401,151x = 764,309,565,504
  5. Step 5: Solve for x
    x = 764,309,565,504/401,151
  6. Step 6: Final answer
    x = 1,905,291.44

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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.