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Finding the Third Proportional to 15,352 and 40,631

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Solution

The third proportional to 15,352 and 40,631 is: 107,535.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352 : 40,631 = 40,631 : x
  2. Step 2: Convert to fraction form
    15,352/40,631 = 40,631/x
  3. Step 3: Cross multiply
    15,352x = 40,631 × 40,631
  4. Step 4: Simplify right side
    15,352x = 1,650,878,161
  5. Step 5: Solve for x
    x = 1,650,878,161/15,352
  6. Step 6: Final answer
    x = 107,535.05

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Why These Related Problems?

These problems maintain the same ratio (2.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.