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Finding the Third Proportional to 155,543,220 and 333,272,531

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Solution

The third proportional to 155,543,220 and 333,272,531 is: 714,081,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,543,220 : 333,272,531 = 333,272,531 : x
  2. Step 2: Convert to fraction form
    155,543,220/333,272,531 = 333,272,531/x
  3. Step 3: Cross multiply
    155,543,220x = 333,272,531 × 333,272,531
  4. Step 4: Simplify right side
    155,543,220x = 111,070,579,919,145,968
  5. Step 5: Solve for x
    x = 111,070,579,919,145,968/155,543,220
  6. Step 6: Final answer
    x = 714,081,783.31

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.