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Finding the Third Proportional to 147,705 and 164,312

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Solution

The third proportional to 147,705 and 164,312 is: 182,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,705 : 164,312 = 164,312 : x
  2. Step 2: Convert to fraction form
    147,705/164,312 = 164,312/x
  3. Step 3: Cross multiply
    147,705x = 164,312 × 164,312
  4. Step 4: Simplify right side
    147,705x = 26,998,433,344
  5. Step 5: Solve for x
    x = 26,998,433,344/147,705
  6. Step 6: Final answer
    x = 182,786.18

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.