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Finding the Third Proportional to 468,679 and 699,951

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Solution

The third proportional to 468,679 and 699,951 is: 1,045,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,679 : 699,951 = 699,951 : x
  2. Step 2: Convert to fraction form
    468,679/699,951 = 699,951/x
  3. Step 3: Cross multiply
    468,679x = 699,951 × 699,951
  4. Step 4: Simplify right side
    468,679x = 489,931,402,401
  5. Step 5: Solve for x
    x = 489,931,402,401/468,679
  6. Step 6: Final answer
    x = 1,045,345.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.