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Finding the Third Proportional to 525,317 and 803,223

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Solution

The third proportional to 525,317 and 803,223 is: 1,228,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,317 : 803,223 = 803,223 : x
  2. Step 2: Convert to fraction form
    525,317/803,223 = 803,223/x
  3. Step 3: Cross multiply
    525,317x = 803,223 × 803,223
  4. Step 4: Simplify right side
    525,317x = 645,167,187,729
  5. Step 5: Solve for x
    x = 645,167,187,729/525,317
  6. Step 6: Final answer
    x = 1,228,148.31

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.