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Finding the Third Proportional to 426,611.25 and 912,271.50

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Solution

The third proportional to 426,611.25 and 912,271.50 is: 1,950,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,611.25 : 912,271.50 = 912,271.50 : x
  2. Step 2: Convert to fraction form
    426,611.25/912,271.50 = 912,271.50/x
  3. Step 3: Cross multiply
    426,611.25x = 912,271.50 × 912,271.50
  4. Step 4: Simplify right side
    426,611.25x = 832,239,289,712.25
  5. Step 5: Solve for x
    x = 832,239,289,712.25/426,611.25
  6. Step 6: Final answer
    x = 1,950,814.21

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.