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Finding the Third Proportional to 628,242 and 1,000,627

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Solution

The third proportional to 628,242 and 1,000,627 is: 1,593,739.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,242 : 1,000,627 = 1,000,627 : x
  2. Step 2: Convert to fraction form
    628,242/1,000,627 = 1,000,627/x
  3. Step 3: Cross multiply
    628,242x = 1,000,627 × 1,000,627
  4. Step 4: Simplify right side
    628,242x = 1,001,254,393,129
  5. Step 5: Solve for x
    x = 1,001,254,393,129/628,242
  6. Step 6: Final answer
    x = 1,593,739.98

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.