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Finding the Third Proportional to 72,584 and 106,392

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Solution

The third proportional to 72,584 and 106,392 is: 155,947.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,584 : 106,392 = 106,392 : x
  2. Step 2: Convert to fraction form
    72,584/106,392 = 106,392/x
  3. Step 3: Cross multiply
    72,584x = 106,392 × 106,392
  4. Step 4: Simplify right side
    72,584x = 11,319,257,664
  5. Step 5: Solve for x
    x = 11,319,257,664/72,584
  6. Step 6: Final answer
    x = 155,947.01

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.