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Finding the Third Proportional to 29,154 and 64,207.50

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Solution

The third proportional to 29,154 and 64,207.50 is: 141,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154 : 64,207.50 = 64,207.50 : x
  2. Step 2: Convert to fraction form
    29,154/64,207.50 = 64,207.50/x
  3. Step 3: Cross multiply
    29,154x = 64,207.50 × 64,207.50
  4. Step 4: Simplify right side
    29,154x = 4,122,603,056.25
  5. Step 5: Solve for x
    x = 4,122,603,056.25/29,154
  6. Step 6: Final answer
    x = 141,407.80

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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.