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Finding the Third Proportional to 292,400 and 437,448

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Solution

The third proportional to 292,400 and 437,448 is: 654,448.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,400 : 437,448 = 437,448 : x
  2. Step 2: Convert to fraction form
    292,400/437,448 = 437,448/x
  3. Step 3: Cross multiply
    292,400x = 437,448 × 437,448
  4. Step 4: Simplify right side
    292,400x = 191,360,752,704
  5. Step 5: Solve for x
    x = 191,360,752,704/292,400
  6. Step 6: Final answer
    x = 654,448.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.