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Finding the Third Proportional to 436,483 and 673,406.25

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Solution

The third proportional to 436,483 and 673,406.25 is: 1,038,931.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,483 : 673,406.25 = 673,406.25 : x
  2. Step 2: Convert to fraction form
    436,483/673,406.25 = 673,406.25/x
  3. Step 3: Cross multiply
    436,483x = 673,406.25 × 673,406.25
  4. Step 4: Simplify right side
    436,483x = 453,475,977,539.06
  5. Step 5: Solve for x
    x = 453,475,977,539.06/436,483
  6. Step 6: Final answer
    x = 1,038,931.59

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.