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Finding the Third Proportional to 72,373,474 and 156,083,924

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Solution

The third proportional to 72,373,474 and 156,083,924 is: 336,617,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,373,474 : 156,083,924 = 156,083,924 : x
  2. Step 2: Convert to fraction form
    72,373,474/156,083,924 = 156,083,924/x
  3. Step 3: Cross multiply
    72,373,474x = 156,083,924 × 156,083,924
  4. Step 4: Simplify right side
    72,373,474x = 24,362,191,331,237,776
  5. Step 5: Solve for x
    x = 24,362,191,331,237,776/72,373,474
  6. Step 6: Final answer
    x = 336,617,685.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.