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Finding the Third Proportional to 46,155 and 99,330

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Solution

The third proportional to 46,155 and 99,330 is: 213,767.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,155 : 99,330 = 99,330 : x
  2. Step 2: Convert to fraction form
    46,155/99,330 = 99,330/x
  3. Step 3: Cross multiply
    46,155x = 99,330 × 99,330
  4. Step 4: Simplify right side
    46,155x = 9,866,448,900
  5. Step 5: Solve for x
    x = 9,866,448,900/46,155
  6. Step 6: Final answer
    x = 213,767.72

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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.