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Finding the Third Proportional to 231,702 and 507,687

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Solution

The third proportional to 231,702 and 507,687 is: 1,112,403.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,702 : 507,687 = 507,687 : x
  2. Step 2: Convert to fraction form
    231,702/507,687 = 507,687/x
  3. Step 3: Cross multiply
    231,702x = 507,687 × 507,687
  4. Step 4: Simplify right side
    231,702x = 257,746,089,969
  5. Step 5: Solve for x
    x = 257,746,089,969/231,702
  6. Step 6: Final answer
    x = 1,112,403.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.