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Finding the Third Proportional to 201,699 and 440,075.25

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Solution

The third proportional to 201,699 and 440,075.25 is: 960,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,699 : 440,075.25 = 440,075.25 : x
  2. Step 2: Convert to fraction form
    201,699/440,075.25 = 440,075.25/x
  3. Step 3: Cross multiply
    201,699x = 440,075.25 × 440,075.25
  4. Step 4: Simplify right side
    201,699x = 193,666,225,662.56
  5. Step 5: Solve for x
    x = 193,666,225,662.56/201,699
  6. Step 6: Final answer
    x = 960,174.45

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.