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Finding the Third Proportional to 464,512.50 and 678,844.50

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Solution

The third proportional to 464,512.50 and 678,844.50 is: 992,072.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,512.50 : 678,844.50 = 678,844.50 : x
  2. Step 2: Convert to fraction form
    464,512.50/678,844.50 = 678,844.50/x
  3. Step 3: Cross multiply
    464,512.50x = 678,844.50 × 678,844.50
  4. Step 4: Simplify right side
    464,512.50x = 460,829,855,180.25
  5. Step 5: Solve for x
    x = 460,829,855,180.25/464,512.50
  6. Step 6: Final answer
    x = 992,072.02

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.