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Finding the Third Proportional to 301,428 and 633,879

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Solution

The third proportional to 301,428 and 633,879 is: 1,332,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,428 : 633,879 = 633,879 : x
  2. Step 2: Convert to fraction form
    301,428/633,879 = 633,879/x
  3. Step 3: Cross multiply
    301,428x = 633,879 × 633,879
  4. Step 4: Simplify right side
    301,428x = 401,802,586,641
  5. Step 5: Solve for x
    x = 401,802,586,641/301,428
  6. Step 6: Final answer
    x = 1,332,996.89

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.