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Finding the Third Proportional to 46,432 and 69,472

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Solution

The third proportional to 46,432 and 69,472 is: 103,944.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,432 : 69,472 = 69,472 : x
  2. Step 2: Convert to fraction form
    46,432/69,472 = 69,472/x
  3. Step 3: Cross multiply
    46,432x = 69,472 × 69,472
  4. Step 4: Simplify right side
    46,432x = 4,826,358,784
  5. Step 5: Solve for x
    x = 4,826,358,784/46,432
  6. Step 6: Final answer
    x = 103,944.67

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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.