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Finding the Third Proportional to 106,430.88 and 163,640.50

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Solution

The third proportional to 106,430.88 and 163,640.50 is: 251,601.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,430.88 : 163,640.50 = 163,640.50 : x
  2. Step 2: Convert to fraction form
    106,430.88/163,640.50 = 163,640.50/x
  3. Step 3: Cross multiply
    106,430.88x = 163,640.50 × 163,640.50
  4. Step 4: Simplify right side
    106,430.88x = 26,778,213,240.25
  5. Step 5: Solve for x
    x = 26,778,213,240.25/106,430.88
  6. Step 6: Final answer
    x = 251,601.93

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.