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Finding the Third Proportional to 554,298 and 1,217,700

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Solution

The third proportional to 554,298 and 1,217,700 is: 2,675,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,298 : 1,217,700 = 1,217,700 : x
  2. Step 2: Convert to fraction form
    554,298/1,217,700 = 1,217,700/x
  3. Step 3: Cross multiply
    554,298x = 1,217,700 × 1,217,700
  4. Step 4: Simplify right side
    554,298x = 1,482,793,290,000
  5. Step 5: Solve for x
    x = 1,482,793,290,000/554,298
  6. Step 6: Final answer
    x = 2,675,083.24

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.