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Finding the Third Proportional to 30,861 and 41,720.06

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Solution

The third proportional to 30,861 and 41,720.06 is: 56,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,861 : 41,720.06 = 41,720.06 : x
  2. Step 2: Convert to fraction form
    30,861/41,720.06 = 41,720.06/x
  3. Step 3: Cross multiply
    30,861x = 41,720.06 × 41,720.06
  4. Step 4: Simplify right side
    30,861x = 1,740,563,615.00
  5. Step 5: Solve for x
    x = 1,740,563,615.00/30,861
  6. Step 6: Final answer
    x = 56,400.10

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.