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Finding the Third Proportional to 21,064 and 46,800

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Solution

The third proportional to 21,064 and 46,800 is: 103,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064 : 46,800 = 46,800 : x
  2. Step 2: Convert to fraction form
    21,064/46,800 = 46,800/x
  3. Step 3: Cross multiply
    21,064x = 46,800 × 46,800
  4. Step 4: Simplify right side
    21,064x = 2,190,240,000
  5. Step 5: Solve for x
    x = 2,190,240,000/21,064
  6. Step 6: Final answer
    x = 103,980.25

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.