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Finding the Third Proportional to 7,209 and 14,445

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Solution

The third proportional to 7,209 and 14,445 is: 28,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209 : 14,445 = 14,445 : x
  2. Step 2: Convert to fraction form
    7,209/14,445 = 14,445/x
  3. Step 3: Cross multiply
    7,209x = 14,445 × 14,445
  4. Step 4: Simplify right side
    7,209x = 208,658,025
  5. Step 5: Solve for x
    x = 208,658,025/7,209
  6. Step 6: Final answer
    x = 28,944.10

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.