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Finding the Third Proportional to 35,316 and 77,611.50

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Solution

The third proportional to 35,316 and 77,611.50 is: 170,561.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,316 : 77,611.50 = 77,611.50 : x
  2. Step 2: Convert to fraction form
    35,316/77,611.50 = 77,611.50/x
  3. Step 3: Cross multiply
    35,316x = 77,611.50 × 77,611.50
  4. Step 4: Simplify right side
    35,316x = 6,023,544,932.25
  5. Step 5: Solve for x
    x = 6,023,544,932.25/35,316
  6. Step 6: Final answer
    x = 170,561.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.