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Finding the Third Proportional to 12,373,402 and 18,719,327

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Solution

The third proportional to 12,373,402 and 18,719,327 is: 28,319,875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373,402 : 18,719,327 = 18,719,327 : x
  2. Step 2: Convert to fraction form
    12,373,402/18,719,327 = 18,719,327/x
  3. Step 3: Cross multiply
    12,373,402x = 18,719,327 × 18,719,327
  4. Step 4: Simplify right side
    12,373,402x = 350,413,203,332,929
  5. Step 5: Solve for x
    x = 350,413,203,332,929/12,373,402
  6. Step 6: Final answer
    x = 28,319,875.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.