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Finding the Third Proportional to 14,585 and 31,243

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Solution

The third proportional to 14,585 and 31,243 is: 66,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585 : 31,243 = 31,243 : x
  2. Step 2: Convert to fraction form
    14,585/31,243 = 31,243/x
  3. Step 3: Cross multiply
    14,585x = 31,243 × 31,243
  4. Step 4: Simplify right side
    14,585x = 976,125,049
  5. Step 5: Solve for x
    x = 976,125,049/14,585
  6. Step 6: Final answer
    x = 66,926.64

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.