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Finding the Third Proportional to 283,332 and 392,696

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Solution

The third proportional to 283,332 and 392,696 is: 544,273.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,332 : 392,696 = 392,696 : x
  2. Step 2: Convert to fraction form
    283,332/392,696 = 392,696/x
  3. Step 3: Cross multiply
    283,332x = 392,696 × 392,696
  4. Step 4: Simplify right side
    283,332x = 154,210,148,416
  5. Step 5: Solve for x
    x = 154,210,148,416/283,332
  6. Step 6: Final answer
    x = 544,273.67

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.