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Finding the Third Proportional to 325,784 and 707,272

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Solution

The third proportional to 325,784 and 707,272 is: 1,535,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,784 : 707,272 = 707,272 : x
  2. Step 2: Convert to fraction form
    325,784/707,272 = 707,272/x
  3. Step 3: Cross multiply
    325,784x = 707,272 × 707,272
  4. Step 4: Simplify right side
    325,784x = 500,233,681,984
  5. Step 5: Solve for x
    x = 500,233,681,984/325,784
  6. Step 6: Final answer
    x = 1,535,476.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.