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Finding the Third Proportional to 118,710,906.75 and 261,573,196.22

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Solution

The third proportional to 118,710,906.75 and 261,573,196.22 is: 576,362,685.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,710,906.75 : 261,573,196.22 = 261,573,196.22 : x
  2. Step 2: Convert to fraction form
    118,710,906.75/261,573,196.22 = 261,573,196.22/x
  3. Step 3: Cross multiply
    118,710,906.75x = 261,573,196.22 × 261,573,196.22
  4. Step 4: Simplify right side
    118,710,906.75x = 68,420,536,980,092,688
  5. Step 5: Solve for x
    x = 68,420,536,980,092,688/118,710,906.75
  6. Step 6: Final answer
    x = 576,362,685.23

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.