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Finding the Third Proportional to 196,364.25 and 300,256.88

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Solution

The third proportional to 196,364.25 and 300,256.88 is: 459,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,364.25 : 300,256.88 = 300,256.88 : x
  2. Step 2: Convert to fraction form
    196,364.25/300,256.88 = 300,256.88/x
  3. Step 3: Cross multiply
    196,364.25x = 300,256.88 × 300,256.88
  4. Step 4: Simplify right side
    196,364.25x = 90,154,190,984.77
  5. Step 5: Solve for x
    x = 90,154,190,984.77/196,364.25
  6. Step 6: Final answer
    x = 459,117.13

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.