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Finding the Third Proportional to 12,484 and 16,070

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Solution

The third proportional to 12,484 and 16,070 is: 20,686.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484 : 16,070 = 16,070 : x
  2. Step 2: Convert to fraction form
    12,484/16,070 = 16,070/x
  3. Step 3: Cross multiply
    12,484x = 16,070 × 16,070
  4. Step 4: Simplify right side
    12,484x = 258,244,900
  5. Step 5: Solve for x
    x = 258,244,900/12,484
  6. Step 6: Final answer
    x = 20,686.07

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.