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Finding the Third Proportional to 196,368 and 307,188

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Solution

The third proportional to 196,368 and 307,188 is: 480,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,368 : 307,188 = 307,188 : x
  2. Step 2: Convert to fraction form
    196,368/307,188 = 307,188/x
  3. Step 3: Cross multiply
    196,368x = 307,188 × 307,188
  4. Step 4: Simplify right side
    196,368x = 94,364,467,344
  5. Step 5: Solve for x
    x = 94,364,467,344/196,368
  6. Step 6: Final answer
    x = 480,549.11

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.