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Finding the Third Proportional to 71,519.06 and 105,090.47

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Solution

The third proportional to 71,519.06 and 105,090.47 is: 154,420.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,519.06 : 105,090.47 = 105,090.47 : x
  2. Step 2: Convert to fraction form
    71,519.06/105,090.47 = 105,090.47/x
  3. Step 3: Cross multiply
    71,519.06x = 105,090.47 × 105,090.47
  4. Step 4: Simplify right side
    71,519.06x = 11,044,006,622.09
  5. Step 5: Solve for x
    x = 11,044,006,622.09/71,519.06
  6. Step 6: Final answer
    x = 154,420.46

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.