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Finding the Third Proportional to 29,577.50 and 64,073

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Solution

The third proportional to 29,577.50 and 64,073 is: 138,799.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,577.50 : 64,073 = 64,073 : x
  2. Step 2: Convert to fraction form
    29,577.50/64,073 = 64,073/x
  3. Step 3: Cross multiply
    29,577.50x = 64,073 × 64,073
  4. Step 4: Simplify right side
    29,577.50x = 4,105,349,329
  5. Step 5: Solve for x
    x = 4,105,349,329/29,577.50
  6. Step 6: Final answer
    x = 138,799.74

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.