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Finding the Third Proportional to 4,683,749.50 and 9,985,873

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Solution

The third proportional to 4,683,749.50 and 9,985,873 is: 21,290,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,683,749.50 : 9,985,873 = 9,985,873 : x
  2. Step 2: Convert to fraction form
    4,683,749.50/9,985,873 = 9,985,873/x
  3. Step 3: Cross multiply
    4,683,749.50x = 9,985,873 × 9,985,873
  4. Step 4: Simplify right side
    4,683,749.50x = 99,717,659,572,129
  5. Step 5: Solve for x
    x = 99,717,659,572,129/4,683,749.50
  6. Step 6: Final answer
    x = 21,290,135.09

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.