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Finding the Third Proportional to 153,984.38 and 330,628.50

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Solution

The third proportional to 153,984.38 and 330,628.50 is: 709,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,984.38 : 330,628.50 = 330,628.50 : x
  2. Step 2: Convert to fraction form
    153,984.38/330,628.50 = 330,628.50/x
  3. Step 3: Cross multiply
    153,984.38x = 330,628.50 × 330,628.50
  4. Step 4: Simplify right side
    153,984.38x = 109,315,205,012.25
  5. Step 5: Solve for x
    x = 109,315,205,012.25/153,984.38
  6. Step 6: Final answer
    x = 709,911.02

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.