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Finding the Third Proportional to 72,195,652 and 155,900,108

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Solution

The third proportional to 72,195,652 and 155,900,108 is: 336,652,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,195,652 : 155,900,108 = 155,900,108 : x
  2. Step 2: Convert to fraction form
    72,195,652/155,900,108 = 155,900,108/x
  3. Step 3: Cross multiply
    72,195,652x = 155,900,108 × 155,900,108
  4. Step 4: Simplify right side
    72,195,652x = 24,304,843,674,411,664
  5. Step 5: Solve for x
    x = 24,304,843,674,411,664/72,195,652
  6. Step 6: Final answer
    x = 336,652,457.61

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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.