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Finding the Third Proportional to 385,816 and 846,334

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Solution

The third proportional to 385,816 and 846,334 is: 1,856,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,816 : 846,334 = 846,334 : x
  2. Step 2: Convert to fraction form
    385,816/846,334 = 846,334/x
  3. Step 3: Cross multiply
    385,816x = 846,334 × 846,334
  4. Step 4: Simplify right side
    385,816x = 716,281,239,556
  5. Step 5: Solve for x
    x = 716,281,239,556/385,816
  6. Step 6: Final answer
    x = 1,856,535.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.