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Finding the Third Proportional to 196,580.75 and 429,964.75

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Solution

The third proportional to 196,580.75 and 429,964.75 is: 940,426.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,580.75 : 429,964.75 = 429,964.75 : x
  2. Step 2: Convert to fraction form
    196,580.75/429,964.75 = 429,964.75/x
  3. Step 3: Cross multiply
    196,580.75x = 429,964.75 × 429,964.75
  4. Step 4: Simplify right side
    196,580.75x = 184,869,686,242.56
  5. Step 5: Solve for x
    x = 184,869,686,242.56/196,580.75
  6. Step 6: Final answer
    x = 940,426.19

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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.