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Finding the Third Proportional to 554,316 and 892,728

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Solution

The third proportional to 554,316 and 892,728 is: 1,437,741.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,316 : 892,728 = 892,728 : x
  2. Step 2: Convert to fraction form
    554,316/892,728 = 892,728/x
  3. Step 3: Cross multiply
    554,316x = 892,728 × 892,728
  4. Step 4: Simplify right side
    554,316x = 796,963,281,984
  5. Step 5: Solve for x
    x = 796,963,281,984/554,316
  6. Step 6: Final answer
    x = 1,437,741.80

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.