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Finding the Third Proportional to 106,312 and 164,508

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Solution

The third proportional to 106,312 and 164,508 is: 254,560.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,312 : 164,508 = 164,508 : x
  2. Step 2: Convert to fraction form
    106,312/164,508 = 164,508/x
  3. Step 3: Cross multiply
    106,312x = 164,508 × 164,508
  4. Step 4: Simplify right side
    106,312x = 27,062,882,064
  5. Step 5: Solve for x
    x = 27,062,882,064/106,312
  6. Step 6: Final answer
    x = 254,560.93

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.