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Finding the Third Proportional to 8,582 and 12,964

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Solution

The third proportional to 8,582 and 12,964 is: 19,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582 : 12,964 = 12,964 : x
  2. Step 2: Convert to fraction form
    8,582/12,964 = 12,964/x
  3. Step 3: Cross multiply
    8,582x = 12,964 × 12,964
  4. Step 4: Simplify right side
    8,582x = 168,065,296
  5. Step 5: Solve for x
    x = 168,065,296/8,582
  6. Step 6: Final answer
    x = 19,583.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.