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Finding the Third Proportional to 425,916 and 910,928

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Solution

The third proportional to 425,916 and 910,928 is: 1,948,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,916 : 910,928 = 910,928 : x
  2. Step 2: Convert to fraction form
    425,916/910,928 = 910,928/x
  3. Step 3: Cross multiply
    425,916x = 910,928 × 910,928
  4. Step 4: Simplify right side
    425,916x = 829,789,821,184
  5. Step 5: Solve for x
    x = 829,789,821,184/425,916
  6. Step 6: Final answer
    x = 1,948,247.59

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.