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Finding the Third Proportional to 604,642 and 874,054.75

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Solution

The third proportional to 604,642 and 874,054.75 is: 1,263,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,642 : 874,054.75 = 874,054.75 : x
  2. Step 2: Convert to fraction form
    604,642/874,054.75 = 874,054.75/x
  3. Step 3: Cross multiply
    604,642x = 874,054.75 × 874,054.75
  4. Step 4: Simplify right side
    604,642x = 763,971,705,997.56
  5. Step 5: Solve for x
    x = 763,971,705,997.56/604,642
  6. Step 6: Final answer
    x = 1,263,510.81

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.