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Finding the Third Proportional to 6,428 and 13,522

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Solution

The third proportional to 6,428 and 13,522 is: 28,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428 : 13,522 = 13,522 : x
  2. Step 2: Convert to fraction form
    6,428/13,522 = 13,522/x
  3. Step 3: Cross multiply
    6,428x = 13,522 × 13,522
  4. Step 4: Simplify right side
    6,428x = 182,844,484
  5. Step 5: Solve for x
    x = 182,844,484/6,428
  6. Step 6: Final answer
    x = 28,445.00

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.