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Finding the Third Proportional to 101,359 and 159,000

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Solution

The third proportional to 101,359 and 159,000 is: 249,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,359 : 159,000 = 159,000 : x
  2. Step 2: Convert to fraction form
    101,359/159,000 = 159,000/x
  3. Step 3: Cross multiply
    101,359x = 159,000 × 159,000
  4. Step 4: Simplify right side
    101,359x = 25,281,000,000
  5. Step 5: Solve for x
    x = 25,281,000,000/101,359
  6. Step 6: Final answer
    x = 249,420.38

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.