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Finding the Third Proportional to 118,145,878,588 and 254,210,761,316

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Solution

The third proportional to 118,145,878,588 and 254,210,761,316 is: 546,977,278,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,145,878,588 : 254,210,761,316 = 254,210,761,316 : x
  2. Step 2: Convert to fraction form
    118,145,878,588/254,210,761,316 = 254,210,761,316/x
  3. Step 3: Cross multiply
    118,145,878,588x = 254,210,761,316 × 254,210,761,316
  4. Step 4: Simplify right side
    118,145,878,588x = 64,623,111,168,860,323,053,568
  5. Step 5: Solve for x
    x = 64,623,111,168,860,323,053,568/118,145,878,588
  6. Step 6: Final answer
    x = 546,977,278,777.66

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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.