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Finding the Third Proportional to 134,346.50 and 289,671.50

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Solution

The third proportional to 134,346.50 and 289,671.50 is: 624,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,346.50 : 289,671.50 = 289,671.50 : x
  2. Step 2: Convert to fraction form
    134,346.50/289,671.50 = 289,671.50/x
  3. Step 3: Cross multiply
    134,346.50x = 289,671.50 × 289,671.50
  4. Step 4: Simplify right side
    134,346.50x = 83,909,577,912.25
  5. Step 5: Solve for x
    x = 83,909,577,912.25/134,346.50
  6. Step 6: Final answer
    x = 624,575.84

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.