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Finding the Third Proportional to 426,033.75 and 918,492.75

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Solution

The third proportional to 426,033.75 and 918,492.75 is: 1,980,192.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,033.75 : 918,492.75 = 918,492.75 : x
  2. Step 2: Convert to fraction form
    426,033.75/918,492.75 = 918,492.75/x
  3. Step 3: Cross multiply
    426,033.75x = 918,492.75 × 918,492.75
  4. Step 4: Simplify right side
    426,033.75x = 843,628,931,802.56
  5. Step 5: Solve for x
    x = 843,628,931,802.56/426,033.75
  6. Step 6: Final answer
    x = 1,980,192.72

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.