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Finding the Third Proportional to 15,228 and 31,076

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Solution

The third proportional to 15,228 and 31,076 is: 63,417.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,228 : 31,076 = 31,076 : x
  2. Step 2: Convert to fraction form
    15,228/31,076 = 31,076/x
  3. Step 3: Cross multiply
    15,228x = 31,076 × 31,076
  4. Step 4: Simplify right side
    15,228x = 965,717,776
  5. Step 5: Solve for x
    x = 965,717,776/15,228
  6. Step 6: Final answer
    x = 63,417.24

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.