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Finding the Third Proportional to 21,064 and 46,318

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Solution

The third proportional to 21,064 and 46,318 is: 101,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,064 : 46,318 = 46,318 : x
  2. Step 2: Convert to fraction form
    21,064/46,318 = 46,318/x
  3. Step 3: Cross multiply
    21,064x = 46,318 × 46,318
  4. Step 4: Simplify right side
    21,064x = 2,145,357,124
  5. Step 5: Solve for x
    x = 2,145,357,124/21,064
  6. Step 6: Final answer
    x = 101,849.46

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.