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Finding the Third Proportional to 72,299,686.50 and 110,143,604.25

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Solution

The third proportional to 72,299,686.50 and 110,143,604.25 is: 167,796,212.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,299,686.50 : 110,143,604.25 = 110,143,604.25 : x
  2. Step 2: Convert to fraction form
    72,299,686.50/110,143,604.25 = 110,143,604.25/x
  3. Step 3: Cross multiply
    72,299,686.50x = 110,143,604.25 × 110,143,604.25
  4. Step 4: Simplify right side
    72,299,686.50x = 12,131,613,557,180,618
  5. Step 5: Solve for x
    x = 12,131,613,557,180,618/72,299,686.50
  6. Step 6: Final answer
    x = 167,796,212.47

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.