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Finding the Third Proportional to 15,912 and 34,305.75

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Solution

The third proportional to 15,912 and 34,305.75 is: 73,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912 : 34,305.75 = 34,305.75 : x
  2. Step 2: Convert to fraction form
    15,912/34,305.75 = 34,305.75/x
  3. Step 3: Cross multiply
    15,912x = 34,305.75 × 34,305.75
  4. Step 4: Simplify right side
    15,912x = 1,176,884,483.06
  5. Step 5: Solve for x
    x = 1,176,884,483.06/15,912
  6. Step 6: Final answer
    x = 73,962.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.