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Finding the Third Proportional to 369,128 and 527,852

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Solution

The third proportional to 369,128 and 527,852 is: 754,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,128 : 527,852 = 527,852 : x
  2. Step 2: Convert to fraction form
    369,128/527,852 = 527,852/x
  3. Step 3: Cross multiply
    369,128x = 527,852 × 527,852
  4. Step 4: Simplify right side
    369,128x = 278,627,733,904
  5. Step 5: Solve for x
    x = 278,627,733,904/369,128
  6. Step 6: Final answer
    x = 754,826.87

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.