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Finding the Third Proportional to 63,090 and 136,844

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Solution

The third proportional to 63,090 and 136,844 is: 296,818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,090 : 136,844 = 136,844 : x
  2. Step 2: Convert to fraction form
    63,090/136,844 = 136,844/x
  3. Step 3: Cross multiply
    63,090x = 136,844 × 136,844
  4. Step 4: Simplify right side
    63,090x = 18,726,280,336
  5. Step 5: Solve for x
    x = 18,726,280,336/63,090
  6. Step 6: Final answer
    x = 296,818.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.