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Finding the Third Proportional to 4,618 and 8,810.50

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Solution

The third proportional to 4,618 and 8,810.50 is: 16,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618 : 8,810.50 = 8,810.50 : x
  2. Step 2: Convert to fraction form
    4,618/8,810.50 = 8,810.50/x
  3. Step 3: Cross multiply
    4,618x = 8,810.50 × 8,810.50
  4. Step 4: Simplify right side
    4,618x = 77,624,910.25
  5. Step 5: Solve for x
    x = 77,624,910.25/4,618
  6. Step 6: Final answer
    x = 16,809.21

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.