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Finding the Third Proportional to 47,240 and 70,254

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Solution

The third proportional to 47,240 and 70,254 is: 104,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,240 : 70,254 = 70,254 : x
  2. Step 2: Convert to fraction form
    47,240/70,254 = 70,254/x
  3. Step 3: Cross multiply
    47,240x = 70,254 × 70,254
  4. Step 4: Simplify right side
    47,240x = 4,935,624,516
  5. Step 5: Solve for x
    x = 4,935,624,516/47,240
  6. Step 6: Final answer
    x = 104,479.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.