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Finding the Third Proportional to 101,929.50 and 155,557

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Solution

The third proportional to 101,929.50 and 155,557 is: 237,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,929.50 : 155,557 = 155,557 : x
  2. Step 2: Convert to fraction form
    101,929.50/155,557 = 155,557/x
  3. Step 3: Cross multiply
    101,929.50x = 155,557 × 155,557
  4. Step 4: Simplify right side
    101,929.50x = 24,197,980,249
  5. Step 5: Solve for x
    x = 24,197,980,249/101,929.50
  6. Step 6: Final answer
    x = 237,399.19

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.