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Finding the Third Proportional to 192,148 and 306,959

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Solution

The third proportional to 192,148 and 306,959 is: 490,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,148 : 306,959 = 306,959 : x
  2. Step 2: Convert to fraction form
    192,148/306,959 = 306,959/x
  3. Step 3: Cross multiply
    192,148x = 306,959 × 306,959
  4. Step 4: Simplify right side
    192,148x = 94,223,827,681
  5. Step 5: Solve for x
    x = 94,223,827,681/192,148
  6. Step 6: Final answer
    x = 490,371.11

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.