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Finding the Third Proportional to 30,325.50 and 64,773

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Solution

The third proportional to 30,325.50 and 64,773 is: 138,350.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,325.50 : 64,773 = 64,773 : x
  2. Step 2: Convert to fraction form
    30,325.50/64,773 = 64,773/x
  3. Step 3: Cross multiply
    30,325.50x = 64,773 × 64,773
  4. Step 4: Simplify right side
    30,325.50x = 4,195,541,529
  5. Step 5: Solve for x
    x = 4,195,541,529/30,325.50
  6. Step 6: Final answer
    x = 138,350.28

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.