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Finding the Third Proportional to 738,423 and 1,613,520

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Solution

The third proportional to 738,423 and 1,613,520 is: 3,525,684.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,423 : 1,613,520 = 1,613,520 : x
  2. Step 2: Convert to fraction form
    738,423/1,613,520 = 1,613,520/x
  3. Step 3: Cross multiply
    738,423x = 1,613,520 × 1,613,520
  4. Step 4: Simplify right side
    738,423x = 2,603,446,790,400
  5. Step 5: Solve for x
    x = 2,603,446,790,400/738,423
  6. Step 6: Final answer
    x = 3,525,684.86

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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.