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Finding the Third Proportional to 607,108 and 890,979

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Solution

The third proportional to 607,108 and 890,979 is: 1,307,582.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,108 : 890,979 = 890,979 : x
  2. Step 2: Convert to fraction form
    607,108/890,979 = 890,979/x
  3. Step 3: Cross multiply
    607,108x = 890,979 × 890,979
  4. Step 4: Simplify right side
    607,108x = 793,843,578,441
  5. Step 5: Solve for x
    x = 793,843,578,441/607,108
  6. Step 6: Final answer
    x = 1,307,582.14

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.