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Finding the Third Proportional to 151,416 and 318,518

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Solution

The third proportional to 151,416 and 318,518 is: 670,033.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,416 : 318,518 = 318,518 : x
  2. Step 2: Convert to fraction form
    151,416/318,518 = 318,518/x
  3. Step 3: Cross multiply
    151,416x = 318,518 × 318,518
  4. Step 4: Simplify right side
    151,416x = 101,453,716,324
  5. Step 5: Solve for x
    x = 101,453,716,324/151,416
  6. Step 6: Final answer
    x = 670,033.00

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.