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Finding the Third Proportional to 84,735 and 180,729

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Solution

The third proportional to 84,735 and 180,729 is: 385,472.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,735 : 180,729 = 180,729 : x
  2. Step 2: Convert to fraction form
    84,735/180,729 = 180,729/x
  3. Step 3: Cross multiply
    84,735x = 180,729 × 180,729
  4. Step 4: Simplify right side
    84,735x = 32,662,971,441
  5. Step 5: Solve for x
    x = 32,662,971,441/84,735
  6. Step 6: Final answer
    x = 385,472.02

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.