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Finding the Third Proportional to 72,366 and 157,476

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Solution

The third proportional to 72,366 and 157,476 is: 342,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,366 : 157,476 = 157,476 : x
  2. Step 2: Convert to fraction form
    72,366/157,476 = 157,476/x
  3. Step 3: Cross multiply
    72,366x = 157,476 × 157,476
  4. Step 4: Simplify right side
    72,366x = 24,798,690,576
  5. Step 5: Solve for x
    x = 24,798,690,576/72,366
  6. Step 6: Final answer
    x = 342,684.28

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.