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Finding the Third Proportional to 69,363 and 147,366

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Solution

The third proportional to 69,363 and 147,366 is: 313,088.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,363 : 147,366 = 147,366 : x
  2. Step 2: Convert to fraction form
    69,363/147,366 = 147,366/x
  3. Step 3: Cross multiply
    69,363x = 147,366 × 147,366
  4. Step 4: Simplify right side
    69,363x = 21,716,737,956
  5. Step 5: Solve for x
    x = 21,716,737,956/69,363
  6. Step 6: Final answer
    x = 313,088.22

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.