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Finding the Third Proportional to 155,072,268 and 240,085,998

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Solution

The third proportional to 155,072,268 and 240,085,998 is: 371,705,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,072,268 : 240,085,998 = 240,085,998 : x
  2. Step 2: Convert to fraction form
    155,072,268/240,085,998 = 240,085,998/x
  3. Step 3: Cross multiply
    155,072,268x = 240,085,998 × 240,085,998
  4. Step 4: Simplify right side
    155,072,268x = 57,641,286,435,656,000
  5. Step 5: Solve for x
    x = 57,641,286,435,656,000/155,072,268
  6. Step 6: Final answer
    x = 371,705,961.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.