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Finding the Third Proportional to 58,722,954.75 and 86,286,991.50

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Solution

The third proportional to 58,722,954.75 and 86,286,991.50 is: 126,789,343.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,722,954.75 : 86,286,991.50 = 86,286,991.50 : x
  2. Step 2: Convert to fraction form
    58,722,954.75/86,286,991.50 = 86,286,991.50/x
  3. Step 3: Cross multiply
    58,722,954.75x = 86,286,991.50 × 86,286,991.50
  4. Step 4: Simplify right side
    58,722,954.75x = 7,445,444,902,121,072
  5. Step 5: Solve for x
    x = 7,445,444,902,121,072/58,722,954.75
  6. Step 6: Final answer
    x = 126,789,343.86

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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.