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Finding the Third Proportional to 436,260 and 922,820

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Solution

The third proportional to 436,260 and 922,820 is: 1,952,039.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,260 : 922,820 = 922,820 : x
  2. Step 2: Convert to fraction form
    436,260/922,820 = 922,820/x
  3. Step 3: Cross multiply
    436,260x = 922,820 × 922,820
  4. Step 4: Simplify right side
    436,260x = 851,596,752,400
  5. Step 5: Solve for x
    x = 851,596,752,400/436,260
  6. Step 6: Final answer
    x = 1,952,039.50

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.