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Finding the Third Proportional to 443,862 and 628,053

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Solution

The third proportional to 443,862 and 628,053 is: 888,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,862 : 628,053 = 628,053 : x
  2. Step 2: Convert to fraction form
    443,862/628,053 = 628,053/x
  3. Step 3: Cross multiply
    443,862x = 628,053 × 628,053
  4. Step 4: Simplify right side
    443,862x = 394,450,570,809
  5. Step 5: Solve for x
    x = 394,450,570,809/443,862
  6. Step 6: Final answer
    x = 888,678.40

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.