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Finding the Third Proportional to 668,488 and 1,458,928

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Solution

The third proportional to 668,488 and 1,458,928 is: 3,184,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,488 : 1,458,928 = 1,458,928 : x
  2. Step 2: Convert to fraction form
    668,488/1,458,928 = 1,458,928/x
  3. Step 3: Cross multiply
    668,488x = 1,458,928 × 1,458,928
  4. Step 4: Simplify right side
    668,488x = 2,128,470,909,184
  5. Step 5: Solve for x
    x = 2,128,470,909,184/668,488
  6. Step 6: Final answer
    x = 3,184,007.65

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.