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Finding the Third Proportional to 14,720 and 20,968

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Solution

The third proportional to 14,720 and 20,968 is: 29,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720 : 20,968 = 20,968 : x
  2. Step 2: Convert to fraction form
    14,720/20,968 = 20,968/x
  3. Step 3: Cross multiply
    14,720x = 20,968 × 20,968
  4. Step 4: Simplify right side
    14,720x = 439,657,024
  5. Step 5: Solve for x
    x = 439,657,024/14,720
  6. Step 6: Final answer
    x = 29,868.00

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.