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Finding the Third Proportional to 136,020 and 291,696

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Solution

The third proportional to 136,020 and 291,696 is: 625,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,020 : 291,696 = 291,696 : x
  2. Step 2: Convert to fraction form
    136,020/291,696 = 291,696/x
  3. Step 3: Cross multiply
    136,020x = 291,696 × 291,696
  4. Step 4: Simplify right side
    136,020x = 85,086,556,416
  5. Step 5: Solve for x
    x = 85,086,556,416/136,020
  6. Step 6: Final answer
    x = 625,544.45

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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.