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Finding the Third Proportional to 196,354.13 and 427,700.25

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Solution

The third proportional to 196,354.13 and 427,700.25 is: 931,620.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,354.13 : 427,700.25 = 427,700.25 : x
  2. Step 2: Convert to fraction form
    196,354.13/427,700.25 = 427,700.25/x
  3. Step 3: Cross multiply
    196,354.13x = 427,700.25 × 427,700.25
  4. Step 4: Simplify right side
    196,354.13x = 182,927,503,850.06
  5. Step 5: Solve for x
    x = 182,927,503,850.06/196,354.13
  6. Step 6: Final answer
    x = 931,620.38

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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.