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Finding the Third Proportional to 554,567 and 828,154

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Solution

The third proportional to 554,567 and 828,154 is: 1,236,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,567 : 828,154 = 828,154 : x
  2. Step 2: Convert to fraction form
    554,567/828,154 = 828,154/x
  3. Step 3: Cross multiply
    554,567x = 828,154 × 828,154
  4. Step 4: Simplify right side
    554,567x = 685,839,047,716
  5. Step 5: Solve for x
    x = 685,839,047,716/554,567
  6. Step 6: Final answer
    x = 1,236,710.89

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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.