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Finding the Third Proportional to 622,747 and 930,879

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Solution

The third proportional to 622,747 and 930,879 is: 1,391,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,747 : 930,879 = 930,879 : x
  2. Step 2: Convert to fraction form
    622,747/930,879 = 930,879/x
  3. Step 3: Cross multiply
    622,747x = 930,879 × 930,879
  4. Step 4: Simplify right side
    622,747x = 866,535,712,641
  5. Step 5: Solve for x
    x = 866,535,712,641/622,747
  6. Step 6: Final answer
    x = 1,391,473.12

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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.