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Finding the Third Proportional to 240,836 and 357,768

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Solution

The third proportional to 240,836 and 357,768 is: 531,473.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,836 : 357,768 = 357,768 : x
  2. Step 2: Convert to fraction form
    240,836/357,768 = 357,768/x
  3. Step 3: Cross multiply
    240,836x = 357,768 × 357,768
  4. Step 4: Simplify right side
    240,836x = 127,997,941,824
  5. Step 5: Solve for x
    x = 127,997,941,824/240,836
  6. Step 6: Final answer
    x = 531,473.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.