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Finding the Third Proportional to 422,072 and 924,190

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Solution

The third proportional to 422,072 and 924,190 is: 2,023,652.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,072 : 924,190 = 924,190 : x
  2. Step 2: Convert to fraction form
    422,072/924,190 = 924,190/x
  3. Step 3: Cross multiply
    422,072x = 924,190 × 924,190
  4. Step 4: Simplify right side
    422,072x = 854,127,156,100
  5. Step 5: Solve for x
    x = 854,127,156,100/422,072
  6. Step 6: Final answer
    x = 2,023,652.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.