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Finding the Third Proportional to 115,669.13 and 157,579.50

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Solution

The third proportional to 115,669.13 and 157,579.50 is: 214,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,669.13 : 157,579.50 = 157,579.50 : x
  2. Step 2: Convert to fraction form
    115,669.13/157,579.50 = 157,579.50/x
  3. Step 3: Cross multiply
    115,669.13x = 157,579.50 × 157,579.50
  4. Step 4: Simplify right side
    115,669.13x = 24,831,298,820.25
  5. Step 5: Solve for x
    x = 24,831,298,820.25/115,669.13
  6. Step 6: Final answer
    x = 214,675.25

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.