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Finding the Third Proportional to 134,784 and 318,060

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Solution

The third proportional to 134,784 and 318,060 is: 750,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,784 : 318,060 = 318,060 : x
  2. Step 2: Convert to fraction form
    134,784/318,060 = 318,060/x
  3. Step 3: Cross multiply
    134,784x = 318,060 × 318,060
  4. Step 4: Simplify right side
    134,784x = 101,162,163,600
  5. Step 5: Solve for x
    x = 101,162,163,600/134,784
  6. Step 6: Final answer
    x = 750,550.24

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.