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Finding the Third Proportional to 478,946 and 751,323

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Solution

The third proportional to 478,946 and 751,323 is: 1,178,601.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,946 : 751,323 = 751,323 : x
  2. Step 2: Convert to fraction form
    478,946/751,323 = 751,323/x
  3. Step 3: Cross multiply
    478,946x = 751,323 × 751,323
  4. Step 4: Simplify right side
    478,946x = 564,486,250,329
  5. Step 5: Solve for x
    x = 564,486,250,329/478,946
  6. Step 6: Final answer
    x = 1,178,601.03

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.