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Finding the Third Proportional to 71,897.63 and 156,917.25

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Solution

The third proportional to 71,897.63 and 156,917.25 is: 342,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,897.63 : 156,917.25 = 156,917.25 : x
  2. Step 2: Convert to fraction form
    71,897.63/156,917.25 = 156,917.25/x
  3. Step 3: Cross multiply
    71,897.63x = 156,917.25 × 156,917.25
  4. Step 4: Simplify right side
    71,897.63x = 24,623,023,347.56
  5. Step 5: Solve for x
    x = 24,623,023,347.56/71,897.63
  6. Step 6: Final answer
    x = 342,473.39

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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.