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Finding the Third Proportional to 345,848 and 745,046

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Solution

The third proportional to 345,848 and 745,046 is: 1,605,021.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,848 : 745,046 = 745,046 : x
  2. Step 2: Convert to fraction form
    345,848/745,046 = 745,046/x
  3. Step 3: Cross multiply
    345,848x = 745,046 × 745,046
  4. Step 4: Simplify right side
    345,848x = 555,093,542,116
  5. Step 5: Solve for x
    x = 555,093,542,116/345,848
  6. Step 6: Final answer
    x = 1,605,021.69

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.