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Finding the Third Proportional to 89,712 and 134,784

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Solution

The third proportional to 89,712 and 134,784 is: 202,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712 : 134,784 = 134,784 : x
  2. Step 2: Convert to fraction form
    89,712/134,784 = 134,784/x
  3. Step 3: Cross multiply
    89,712x = 134,784 × 134,784
  4. Step 4: Simplify right side
    89,712x = 18,166,726,656
  5. Step 5: Solve for x
    x = 18,166,726,656/89,712
  6. Step 6: Final answer
    x = 202,500.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.