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Finding the Third Proportional to 240,456 and 513,075.75

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Solution

The third proportional to 240,456 and 513,075.75 is: 1,094,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,456 : 513,075.75 = 513,075.75 : x
  2. Step 2: Convert to fraction form
    240,456/513,075.75 = 513,075.75/x
  3. Step 3: Cross multiply
    240,456x = 513,075.75 × 513,075.75
  4. Step 4: Simplify right side
    240,456x = 263,246,725,238.06
  5. Step 5: Solve for x
    x = 263,246,725,238.06/240,456
  6. Step 6: Final answer
    x = 1,094,781.27

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.