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Finding the Third Proportional to 118,145,878,560 and 254,210,761,238

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Solution

The third proportional to 118,145,878,560 and 254,210,761,238 is: 546,977,278,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,145,878,560 : 254,210,761,238 = 254,210,761,238 : x
  2. Step 2: Convert to fraction form
    118,145,878,560/254,210,761,238 = 254,210,761,238/x
  3. Step 3: Cross multiply
    118,145,878,560x = 254,210,761,238 × 254,210,761,238
  4. Step 4: Simplify right side
    118,145,878,560x = 64,623,111,129,203,447,169,024
  5. Step 5: Solve for x
    x = 64,623,111,129,203,447,169,024/118,145,878,560
  6. Step 6: Final answer
    x = 546,977,278,571.63

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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.