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Finding the Third Proportional to 74,855 and 160,082

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Solution

The third proportional to 74,855 and 160,082 is: 342,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,855 : 160,082 = 160,082 : x
  2. Step 2: Convert to fraction form
    74,855/160,082 = 160,082/x
  3. Step 3: Cross multiply
    74,855x = 160,082 × 160,082
  4. Step 4: Simplify right side
    74,855x = 25,626,246,724
  5. Step 5: Solve for x
    x = 25,626,246,724/74,855
  6. Step 6: Final answer
    x = 342,345.16

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.