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Finding the Third Proportional to 422,148 and 888,030

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Solution

The third proportional to 422,148 and 888,030 is: 1,868,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,148 : 888,030 = 888,030 : x
  2. Step 2: Convert to fraction form
    422,148/888,030 = 888,030/x
  3. Step 3: Cross multiply
    422,148x = 888,030 × 888,030
  4. Step 4: Simplify right side
    422,148x = 788,597,280,900
  5. Step 5: Solve for x
    x = 788,597,280,900/422,148
  6. Step 6: Final answer
    x = 1,868,058.79

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.