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Finding the Third Proportional to 61,784 and 134,986

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Solution

The third proportional to 61,784 and 134,986 is: 294,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,784 : 134,986 = 134,986 : x
  2. Step 2: Convert to fraction form
    61,784/134,986 = 134,986/x
  3. Step 3: Cross multiply
    61,784x = 134,986 × 134,986
  4. Step 4: Simplify right side
    61,784x = 18,221,220,196
  5. Step 5: Solve for x
    x = 18,221,220,196/61,784
  6. Step 6: Final answer
    x = 294,918.10

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.