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Finding the Third Proportional to 74,482.50 and 162,069

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Solution

The third proportional to 74,482.50 and 162,069 is: 352,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,482.50 : 162,069 = 162,069 : x
  2. Step 2: Convert to fraction form
    74,482.50/162,069 = 162,069/x
  3. Step 3: Cross multiply
    74,482.50x = 162,069 × 162,069
  4. Step 4: Simplify right side
    74,482.50x = 26,266,360,761
  5. Step 5: Solve for x
    x = 26,266,360,761/74,482.50
  6. Step 6: Final answer
    x = 352,651.44

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.