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Finding the Third Proportional to 72,174,726 and 155,231,295.75

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Solution

The third proportional to 72,174,726 and 155,231,295.75 is: 333,866,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,174,726 : 155,231,295.75 = 155,231,295.75 : x
  2. Step 2: Convert to fraction form
    72,174,726/155,231,295.75 = 155,231,295.75/x
  3. Step 3: Cross multiply
    72,174,726x = 155,231,295.75 × 155,231,295.75
  4. Step 4: Simplify right side
    72,174,726x = 24,096,755,180,223,968
  5. Step 5: Solve for x
    x = 24,096,755,180,223,968/72,174,726
  6. Step 6: Final answer
    x = 333,866,943.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.