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Finding the Third Proportional to 46,880 and 70,246

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Solution

The third proportional to 46,880 and 70,246 is: 105,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,880 : 70,246 = 70,246 : x
  2. Step 2: Convert to fraction form
    46,880/70,246 = 70,246/x
  3. Step 3: Cross multiply
    46,880x = 70,246 × 70,246
  4. Step 4: Simplify right side
    46,880x = 4,934,500,516
  5. Step 5: Solve for x
    x = 4,934,500,516/46,880
  6. Step 6: Final answer
    x = 105,258.12

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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.