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Finding the Third Proportional to 7,210.50 and 15,573

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Solution

The third proportional to 7,210.50 and 15,573 is: 33,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210.50 : 15,573 = 15,573 : x
  2. Step 2: Convert to fraction form
    7,210.50/15,573 = 15,573/x
  3. Step 3: Cross multiply
    7,210.50x = 15,573 × 15,573
  4. Step 4: Simplify right side
    7,210.50x = 242,518,329
  5. Step 5: Solve for x
    x = 242,518,329/7,210.50
  6. Step 6: Final answer
    x = 33,634.05

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.