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Finding the Third Proportional to 202,432 and 302,712

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Solution

The third proportional to 202,432 and 302,712 is: 452,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,432 : 302,712 = 302,712 : x
  2. Step 2: Convert to fraction form
    202,432/302,712 = 302,712/x
  3. Step 3: Cross multiply
    202,432x = 302,712 × 302,712
  4. Step 4: Simplify right side
    202,432x = 91,634,554,944
  5. Step 5: Solve for x
    x = 91,634,554,944/202,432
  6. Step 6: Final answer
    x = 452,668.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.