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Finding the Third Proportional to 63,346.25 and 137,718.25

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Solution

The third proportional to 63,346.25 and 137,718.25 is: 299,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,346.25 : 137,718.25 = 137,718.25 : x
  2. Step 2: Convert to fraction form
    63,346.25/137,718.25 = 137,718.25/x
  3. Step 3: Cross multiply
    63,346.25x = 137,718.25 × 137,718.25
  4. Step 4: Simplify right side
    63,346.25x = 18,966,316,383.06
  5. Step 5: Solve for x
    x = 18,966,316,383.06/63,346.25
  6. Step 6: Final answer
    x = 299,407.09

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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.