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Finding the Third Proportional to 317,169 and 463,846.50

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Solution

The third proportional to 317,169 and 463,846.50 is: 678,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,169 : 463,846.50 = 463,846.50 : x
  2. Step 2: Convert to fraction form
    317,169/463,846.50 = 463,846.50/x
  3. Step 3: Cross multiply
    317,169x = 463,846.50 × 463,846.50
  4. Step 4: Simplify right side
    317,169x = 215,153,575,562.25
  5. Step 5: Solve for x
    x = 215,153,575,562.25/317,169
  6. Step 6: Final answer
    x = 678,356.26

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.