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Finding the Third Proportional to 289,116 and 444,946.50

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Solution

The third proportional to 289,116 and 444,946.50 is: 684,768.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,116 : 444,946.50 = 444,946.50 : x
  2. Step 2: Convert to fraction form
    289,116/444,946.50 = 444,946.50/x
  3. Step 3: Cross multiply
    289,116x = 444,946.50 × 444,946.50
  4. Step 4: Simplify right side
    289,116x = 197,977,387,862.25
  5. Step 5: Solve for x
    x = 197,977,387,862.25/289,116
  6. Step 6: Final answer
    x = 684,768.01

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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.