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Finding the Third Proportional to 321,592 and 472,753

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Solution

The third proportional to 321,592 and 472,753 is: 694,965.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,592 : 472,753 = 472,753 : x
  2. Step 2: Convert to fraction form
    321,592/472,753 = 472,753/x
  3. Step 3: Cross multiply
    321,592x = 472,753 × 472,753
  4. Step 4: Simplify right side
    321,592x = 223,495,399,009
  5. Step 5: Solve for x
    x = 223,495,399,009/321,592
  6. Step 6: Final answer
    x = 694,965.67

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.