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Finding the Third Proportional to 269,398 and 392,250.75

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Solution

The third proportional to 269,398 and 392,250.75 is: 571,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,398 : 392,250.75 = 392,250.75 : x
  2. Step 2: Convert to fraction form
    269,398/392,250.75 = 392,250.75/x
  3. Step 3: Cross multiply
    269,398x = 392,250.75 × 392,250.75
  4. Step 4: Simplify right side
    269,398x = 153,860,650,875.56
  5. Step 5: Solve for x
    x = 153,860,650,875.56/269,398
  6. Step 6: Final answer
    x = 571,127.67

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.