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Finding the Third Proportional to 72,332 and 155,568

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Solution

The third proportional to 72,332 and 155,568 is: 334,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,332 : 155,568 = 155,568 : x
  2. Step 2: Convert to fraction form
    72,332/155,568 = 155,568/x
  3. Step 3: Cross multiply
    72,332x = 155,568 × 155,568
  4. Step 4: Simplify right side
    72,332x = 24,201,402,624
  5. Step 5: Solve for x
    x = 24,201,402,624/72,332
  6. Step 6: Final answer
    x = 334,587.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.