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Finding the Third Proportional to 77,904 and 170,550

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Solution

The third proportional to 77,904 and 170,550 is: 373,373.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,904 : 170,550 = 170,550 : x
  2. Step 2: Convert to fraction form
    77,904/170,550 = 170,550/x
  3. Step 3: Cross multiply
    77,904x = 170,550 × 170,550
  4. Step 4: Simplify right side
    77,904x = 29,087,302,500
  5. Step 5: Solve for x
    x = 29,087,302,500/77,904
  6. Step 6: Final answer
    x = 373,373.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.