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Finding the Third Proportional to 132,724 and 288,773

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Solution

The third proportional to 132,724 and 288,773 is: 628,295.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,724 : 288,773 = 288,773 : x
  2. Step 2: Convert to fraction form
    132,724/288,773 = 288,773/x
  3. Step 3: Cross multiply
    132,724x = 288,773 × 288,773
  4. Step 4: Simplify right side
    132,724x = 83,389,845,529
  5. Step 5: Solve for x
    x = 83,389,845,529/132,724
  6. Step 6: Final answer
    x = 628,295.15

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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.