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Finding the Third Proportional to 7,840.13 and 10,967.06

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Solution

The third proportional to 7,840.13 and 10,967.06 is: 15,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.13 : 10,967.06 = 10,967.06 : x
  2. Step 2: Convert to fraction form
    7,840.13/10,967.06 = 10,967.06/x
  3. Step 3: Cross multiply
    7,840.13x = 10,967.06 × 10,967.06
  4. Step 4: Simplify right side
    7,840.13x = 120,276,459.88
  5. Step 5: Solve for x
    x = 120,276,459.88/7,840.13
  6. Step 6: Final answer
    x = 15,341.14

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.