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Finding the Third Proportional to 149,256 and 326,862

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Solution

The third proportional to 149,256 and 326,862 is: 715,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,256 : 326,862 = 326,862 : x
  2. Step 2: Convert to fraction form
    149,256/326,862 = 326,862/x
  3. Step 3: Cross multiply
    149,256x = 326,862 × 326,862
  4. Step 4: Simplify right side
    149,256x = 106,838,767,044
  5. Step 5: Solve for x
    x = 106,838,767,044/149,256
  6. Step 6: Final answer
    x = 715,808.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.