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Finding the Third Proportional to 442,024 and 679,816

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Solution

The third proportional to 442,024 and 679,816 is: 1,045,531.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,024 : 679,816 = 679,816 : x
  2. Step 2: Convert to fraction form
    442,024/679,816 = 679,816/x
  3. Step 3: Cross multiply
    442,024x = 679,816 × 679,816
  4. Step 4: Simplify right side
    442,024x = 462,149,793,856
  5. Step 5: Solve for x
    x = 462,149,793,856/442,024
  6. Step 6: Final answer
    x = 1,045,531.00

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.