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Finding the Third Proportional to 97,434 and 118,689

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Solution

The third proportional to 97,434 and 118,689 is: 144,580.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,434 : 118,689 = 118,689 : x
  2. Step 2: Convert to fraction form
    97,434/118,689 = 118,689/x
  3. Step 3: Cross multiply
    97,434x = 118,689 × 118,689
  4. Step 4: Simplify right side
    97,434x = 14,087,078,721
  5. Step 5: Solve for x
    x = 14,087,078,721/97,434
  6. Step 6: Final answer
    x = 144,580.73

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.