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Finding the Third Proportional to 105,075 and 157,721

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Solution

The third proportional to 105,075 and 157,721 is: 236,744.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,075 : 157,721 = 157,721 : x
  2. Step 2: Convert to fraction form
    105,075/157,721 = 157,721/x
  3. Step 3: Cross multiply
    105,075x = 157,721 × 157,721
  4. Step 4: Simplify right side
    105,075x = 24,875,913,841
  5. Step 5: Solve for x
    x = 24,875,913,841/105,075
  6. Step 6: Final answer
    x = 236,744.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.