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Finding the Third Proportional to 678,222 and 996,537

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Solution

The third proportional to 678,222 and 996,537 is: 1,464,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,222 : 996,537 = 996,537 : x
  2. Step 2: Convert to fraction form
    678,222/996,537 = 996,537/x
  3. Step 3: Cross multiply
    678,222x = 996,537 × 996,537
  4. Step 4: Simplify right side
    678,222x = 993,085,992,369
  5. Step 5: Solve for x
    x = 993,085,992,369/678,222
  6. Step 6: Final answer
    x = 1,464,249.16

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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.