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Finding the Third Proportional to 74,296 and 160,436

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Solution

The third proportional to 74,296 and 160,436 is: 346,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,296 : 160,436 = 160,436 : x
  2. Step 2: Convert to fraction form
    74,296/160,436 = 160,436/x
  3. Step 3: Cross multiply
    74,296x = 160,436 × 160,436
  4. Step 4: Simplify right side
    74,296x = 25,739,710,096
  5. Step 5: Solve for x
    x = 25,739,710,096/74,296
  6. Step 6: Final answer
    x = 346,448.13

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.