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Finding the Third Proportional to 46,712.50 and 72,529

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Solution

The third proportional to 46,712.50 and 72,529 is: 112,613.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,712.50 : 72,529 = 72,529 : x
  2. Step 2: Convert to fraction form
    46,712.50/72,529 = 72,529/x
  3. Step 3: Cross multiply
    46,712.50x = 72,529 × 72,529
  4. Step 4: Simplify right side
    46,712.50x = 5,260,455,841
  5. Step 5: Solve for x
    x = 5,260,455,841/46,712.50
  6. Step 6: Final answer
    x = 112,613.45

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.