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Finding the Third Proportional to 93,900 and 128,754

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Solution

The third proportional to 93,900 and 128,754 is: 176,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,900 : 128,754 = 128,754 : x
  2. Step 2: Convert to fraction form
    93,900/128,754 = 128,754/x
  3. Step 3: Cross multiply
    93,900x = 128,754 × 128,754
  4. Step 4: Simplify right side
    93,900x = 16,577,592,516
  5. Step 5: Solve for x
    x = 16,577,592,516/93,900
  6. Step 6: Final answer
    x = 176,545.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.