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Finding the Third Proportional to 389,052 and 846,270

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Solution

The third proportional to 389,052 and 846,270 is: 1,840,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,052 : 846,270 = 846,270 : x
  2. Step 2: Convert to fraction form
    389,052/846,270 = 846,270/x
  3. Step 3: Cross multiply
    389,052x = 846,270 × 846,270
  4. Step 4: Simplify right side
    389,052x = 716,172,912,900
  5. Step 5: Solve for x
    x = 716,172,912,900/389,052
  6. Step 6: Final answer
    x = 1,840,815.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.