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Finding the Third Proportional to 63,526 and 138,900

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Solution

The third proportional to 63,526 and 138,900 is: 303,705.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,526 : 138,900 = 138,900 : x
  2. Step 2: Convert to fraction form
    63,526/138,900 = 138,900/x
  3. Step 3: Cross multiply
    63,526x = 138,900 × 138,900
  4. Step 4: Simplify right side
    63,526x = 19,293,210,000
  5. Step 5: Solve for x
    x = 19,293,210,000/63,526
  6. Step 6: Final answer
    x = 303,705.73

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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.