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Finding the Third Proportional to 288,754 and 695,637

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Solution

The third proportional to 288,754 and 695,637 is: 1,675,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,754 : 695,637 = 695,637 : x
  2. Step 2: Convert to fraction form
    288,754/695,637 = 695,637/x
  3. Step 3: Cross multiply
    288,754x = 695,637 × 695,637
  4. Step 4: Simplify right side
    288,754x = 483,910,835,769
  5. Step 5: Solve for x
    x = 483,910,835,769/288,754
  6. Step 6: Final answer
    x = 1,675,858.47

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.