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Finding the Third Proportional to 141,319.69 and 307,531.69

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Solution

The third proportional to 141,319.69 and 307,531.69 is: 669,232.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,319.69 : 307,531.69 = 307,531.69 : x
  2. Step 2: Convert to fraction form
    141,319.69/307,531.69 = 307,531.69/x
  3. Step 3: Cross multiply
    141,319.69x = 307,531.69 × 307,531.69
  4. Step 4: Simplify right side
    141,319.69x = 94,575,738,816.60
  5. Step 5: Solve for x
    x = 94,575,738,816.60/141,319.69
  6. Step 6: Final answer
    x = 669,232.58

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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.