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Finding the Third Proportional to 235,955 and 511,276

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Solution

The third proportional to 235,955 and 511,276 is: 1,107,851.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,955 : 511,276 = 511,276 : x
  2. Step 2: Convert to fraction form
    235,955/511,276 = 511,276/x
  3. Step 3: Cross multiply
    235,955x = 511,276 × 511,276
  4. Step 4: Simplify right side
    235,955x = 261,403,148,176
  5. Step 5: Solve for x
    x = 261,403,148,176/235,955
  6. Step 6: Final answer
    x = 1,107,851.70

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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.