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Finding the Third Proportional to 270,787 and 586,772

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Solution

The third proportional to 270,787 and 586,772 is: 1,271,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,787 : 586,772 = 586,772 : x
  2. Step 2: Convert to fraction form
    270,787/586,772 = 586,772/x
  3. Step 3: Cross multiply
    270,787x = 586,772 × 586,772
  4. Step 4: Simplify right side
    270,787x = 344,301,379,984
  5. Step 5: Solve for x
    x = 344,301,379,984/270,787
  6. Step 6: Final answer
    x = 1,271,484.16

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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.