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Finding the Third Proportional to 414,984 and 905,352

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Solution

The third proportional to 414,984 and 905,352 is: 1,975,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,984 : 905,352 = 905,352 : x
  2. Step 2: Convert to fraction form
    414,984/905,352 = 905,352/x
  3. Step 3: Cross multiply
    414,984x = 905,352 × 905,352
  4. Step 4: Simplify right side
    414,984x = 819,662,243,904
  5. Step 5: Solve for x
    x = 819,662,243,904/414,984
  6. Step 6: Final answer
    x = 1,975,165.90

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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.