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Finding the Third Proportional to 295,872 and 646,986

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Solution

The third proportional to 295,872 and 646,986 is: 1,414,770.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,872 : 646,986 = 646,986 : x
  2. Step 2: Convert to fraction form
    295,872/646,986 = 646,986/x
  3. Step 3: Cross multiply
    295,872x = 646,986 × 646,986
  4. Step 4: Simplify right side
    295,872x = 418,590,884,196
  5. Step 5: Solve for x
    x = 418,590,884,196/295,872
  6. Step 6: Final answer
    x = 1,414,770.19

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.