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Finding the Third Proportional to 72,005,634 and 155,270,268

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Solution

The third proportional to 72,005,634 and 155,270,268 is: 334,819,024.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,005,634 : 155,270,268 = 155,270,268 : x
  2. Step 2: Convert to fraction form
    72,005,634/155,270,268 = 155,270,268/x
  3. Step 3: Cross multiply
    72,005,634x = 155,270,268 × 155,270,268
  4. Step 4: Simplify right side
    72,005,634x = 24,108,856,124,791,824
  5. Step 5: Solve for x
    x = 24,108,856,124,791,824/72,005,634
  6. Step 6: Final answer
    x = 334,819,024.37

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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.