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Finding the Third Proportional to 318,631.50 and 695,232

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Solution

The third proportional to 318,631.50 and 695,232 is: 1,516,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,631.50 : 695,232 = 695,232 : x
  2. Step 2: Convert to fraction form
    318,631.50/695,232 = 695,232/x
  3. Step 3: Cross multiply
    318,631.50x = 695,232 × 695,232
  4. Step 4: Simplify right side
    318,631.50x = 483,347,533,824
  5. Step 5: Solve for x
    x = 483,347,533,824/318,631.50
  6. Step 6: Final answer
    x = 1,516,948.37

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.