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Finding the Third Proportional to 6,556 and 14,429

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Solution

The third proportional to 6,556 and 14,429 is: 31,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,556 : 14,429 = 14,429 : x
  2. Step 2: Convert to fraction form
    6,556/14,429 = 14,429/x
  3. Step 3: Cross multiply
    6,556x = 14,429 × 14,429
  4. Step 4: Simplify right side
    6,556x = 208,196,041
  5. Step 5: Solve for x
    x = 208,196,041/6,556
  6. Step 6: Final answer
    x = 31,756.57

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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.