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Finding the Third Proportional to 363,787 and 790,528

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Solution

The third proportional to 363,787 and 790,528 is: 1,717,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,787 : 790,528 = 790,528 : x
  2. Step 2: Convert to fraction form
    363,787/790,528 = 790,528/x
  3. Step 3: Cross multiply
    363,787x = 790,528 × 790,528
  4. Step 4: Simplify right side
    363,787x = 624,934,518,784
  5. Step 5: Solve for x
    x = 624,934,518,784/363,787
  6. Step 6: Final answer
    x = 1,717,858.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.