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Finding the Third Proportional to 118,582,701 and 256,959,117

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Solution

The third proportional to 118,582,701 and 256,959,117 is: 556,809,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,582,701 : 256,959,117 = 256,959,117 : x
  2. Step 2: Convert to fraction form
    118,582,701/256,959,117 = 256,959,117/x
  3. Step 3: Cross multiply
    118,582,701x = 256,959,117 × 256,959,117
  4. Step 4: Simplify right side
    118,582,701x = 66,027,987,809,419,688
  5. Step 5: Solve for x
    x = 66,027,987,809,419,688/118,582,701
  6. Step 6: Final answer
    x = 556,809,612.64

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.