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Finding the Third Proportional to 443,886 and 695,579

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Solution

The third proportional to 443,886 and 695,579 is: 1,089,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,886 : 695,579 = 695,579 : x
  2. Step 2: Convert to fraction form
    443,886/695,579 = 695,579/x
  3. Step 3: Cross multiply
    443,886x = 695,579 × 695,579
  4. Step 4: Simplify right side
    443,886x = 483,830,145,241
  5. Step 5: Solve for x
    x = 483,830,145,241/443,886
  6. Step 6: Final answer
    x = 1,089,987.40

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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.