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Finding the Third Proportional to 13,239 and 29,110.50

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Solution

The third proportional to 13,239 and 29,110.50 is: 64,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,239 : 29,110.50 = 29,110.50 : x
  2. Step 2: Convert to fraction form
    13,239/29,110.50 = 29,110.50/x
  3. Step 3: Cross multiply
    13,239x = 29,110.50 × 29,110.50
  4. Step 4: Simplify right side
    13,239x = 847,421,210.25
  5. Step 5: Solve for x
    x = 847,421,210.25/13,239
  6. Step 6: Final answer
    x = 64,009.46

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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.