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Finding the Third Proportional to 46,476 and 69,820

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Solution

The third proportional to 46,476 and 69,820 is: 104,889.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,476 : 69,820 = 69,820 : x
  2. Step 2: Convert to fraction form
    46,476/69,820 = 69,820/x
  3. Step 3: Cross multiply
    46,476x = 69,820 × 69,820
  4. Step 4: Simplify right side
    46,476x = 4,874,832,400
  5. Step 5: Solve for x
    x = 4,874,832,400/46,476
  6. Step 6: Final answer
    x = 104,889.24

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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.