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Finding the Third Proportional to 101,430.75 and 157,672.50

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Solution

The third proportional to 101,430.75 and 157,672.50 is: 245,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,430.75 : 157,672.50 = 157,672.50 : x
  2. Step 2: Convert to fraction form
    101,430.75/157,672.50 = 157,672.50/x
  3. Step 3: Cross multiply
    101,430.75x = 157,672.50 × 157,672.50
  4. Step 4: Simplify right side
    101,430.75x = 24,860,617,256.25
  5. Step 5: Solve for x
    x = 24,860,617,256.25/101,430.75
  6. Step 6: Final answer
    x = 245,099.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.