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Finding the Third Proportional to 101,985 and 143,363.63

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Solution

The third proportional to 101,985 and 143,363.63 is: 201,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,985 : 143,363.63 = 143,363.63 : x
  2. Step 2: Convert to fraction form
    101,985/143,363.63 = 143,363.63/x
  3. Step 3: Cross multiply
    101,985x = 143,363.63 × 143,363.63
  4. Step 4: Simplify right side
    101,985x = 20,553,128,973.14
  5. Step 5: Solve for x
    x = 20,553,128,973.14/101,985
  6. Step 6: Final answer
    x = 201,530.90

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.