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Finding the Third Proportional to 236,628 and 516,924

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Solution

The third proportional to 236,628 and 516,924 is: 1,129,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,628 : 516,924 = 516,924 : x
  2. Step 2: Convert to fraction form
    236,628/516,924 = 516,924/x
  3. Step 3: Cross multiply
    236,628x = 516,924 × 516,924
  4. Step 4: Simplify right side
    236,628x = 267,210,421,776
  5. Step 5: Solve for x
    x = 267,210,421,776/236,628
  6. Step 6: Final answer
    x = 1,129,242.62

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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.