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Finding the Third Proportional to 24,305 and 39,688

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Solution

The third proportional to 24,305 and 39,688 is: 64,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,305 : 39,688 = 39,688 : x
  2. Step 2: Convert to fraction form
    24,305/39,688 = 39,688/x
  3. Step 3: Cross multiply
    24,305x = 39,688 × 39,688
  4. Step 4: Simplify right side
    24,305x = 1,575,137,344
  5. Step 5: Solve for x
    x = 1,575,137,344/24,305
  6. Step 6: Final answer
    x = 64,807.13

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.