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Finding the Third Proportional to 9,429 and 14,445

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Solution

The third proportional to 9,429 and 14,445 is: 22,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429 : 14,445 = 14,445 : x
  2. Step 2: Convert to fraction form
    9,429/14,445 = 14,445/x
  3. Step 3: Cross multiply
    9,429x = 14,445 × 14,445
  4. Step 4: Simplify right side
    9,429x = 208,658,025
  5. Step 5: Solve for x
    x = 208,658,025/9,429
  6. Step 6: Final answer
    x = 22,129.39

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.