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Finding the Third Proportional to 291,698 and 437,554

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Solution

The third proportional to 291,698 and 437,554 is: 656,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,698 : 437,554 = 437,554 : x
  2. Step 2: Convert to fraction form
    291,698/437,554 = 437,554/x
  3. Step 3: Cross multiply
    291,698x = 437,554 × 437,554
  4. Step 4: Simplify right side
    291,698x = 191,453,502,916
  5. Step 5: Solve for x
    x = 191,453,502,916/291,698
  6. Step 6: Final answer
    x = 656,341.50

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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.