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Finding the Third Proportional to 458,618 and 694,863

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Solution

The third proportional to 458,618 and 694,863 is: 1,052,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,618 : 694,863 = 694,863 : x
  2. Step 2: Convert to fraction form
    458,618/694,863 = 694,863/x
  3. Step 3: Cross multiply
    458,618x = 694,863 × 694,863
  4. Step 4: Simplify right side
    458,618x = 482,834,588,769
  5. Step 5: Solve for x
    x = 482,834,588,769/458,618
  6. Step 6: Final answer
    x = 1,052,803.40

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.