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Finding the Third Proportional to 27,239 and 64,403

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Solution

The third proportional to 27,239 and 64,403 is: 152,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,239 : 64,403 = 64,403 : x
  2. Step 2: Convert to fraction form
    27,239/64,403 = 64,403/x
  3. Step 3: Cross multiply
    27,239x = 64,403 × 64,403
  4. Step 4: Simplify right side
    27,239x = 4,147,746,409
  5. Step 5: Solve for x
    x = 4,147,746,409/27,239
  6. Step 6: Final answer
    x = 152,272.35

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.