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Finding the Third Proportional to 29,316 and 64,100

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Solution

The third proportional to 29,316 and 64,100 is: 140,155.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,316 : 64,100 = 64,100 : x
  2. Step 2: Convert to fraction form
    29,316/64,100 = 64,100/x
  3. Step 3: Cross multiply
    29,316x = 64,100 × 64,100
  4. Step 4: Simplify right side
    29,316x = 4,108,810,000
  5. Step 5: Solve for x
    x = 4,108,810,000/29,316
  6. Step 6: Final answer
    x = 140,155.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.