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Finding the Third Proportional to 118,074,156.75 and 256,914,938.25

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Solution

The third proportional to 118,074,156.75 and 256,914,938.25 is: 559,015,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,074,156.75 : 256,914,938.25 = 256,914,938.25 : x
  2. Step 2: Convert to fraction form
    118,074,156.75/256,914,938.25 = 256,914,938.25/x
  3. Step 3: Cross multiply
    118,074,156.75x = 256,914,938.25 × 256,914,938.25
  4. Step 4: Simplify right side
    118,074,156.75x = 66,005,285,496,001,312
  5. Step 5: Solve for x
    x = 66,005,285,496,001,312/118,074,156.75
  6. Step 6: Final answer
    x = 559,015,514.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.