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Finding the Third Proportional to 72,623,759 and 156,724,255

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Solution

The third proportional to 72,623,759 and 156,724,255 is: 338,215,653.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,623,759 : 156,724,255 = 156,724,255 : x
  2. Step 2: Convert to fraction form
    72,623,759/156,724,255 = 156,724,255/x
  3. Step 3: Cross multiply
    72,623,759x = 156,724,255 × 156,724,255
  4. Step 4: Simplify right side
    72,623,759x = 24,562,492,105,305,024
  5. Step 5: Solve for x
    x = 24,562,492,105,305,024/72,623,759
  6. Step 6: Final answer
    x = 338,215,653.44

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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.