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Finding the Third Proportional to 554,975 and 877,964

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Solution

The third proportional to 554,975 and 877,964 is: 1,388,928.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,975 : 877,964 = 877,964 : x
  2. Step 2: Convert to fraction form
    554,975/877,964 = 877,964/x
  3. Step 3: Cross multiply
    554,975x = 877,964 × 877,964
  4. Step 4: Simplify right side
    554,975x = 770,820,785,296
  5. Step 5: Solve for x
    x = 770,820,785,296/554,975
  6. Step 6: Final answer
    x = 1,388,928.84

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.