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Finding the Third Proportional to 173,505 and 278,482.50

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Solution

The third proportional to 173,505 and 278,482.50 is: 446,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,505 : 278,482.50 = 278,482.50 : x
  2. Step 2: Convert to fraction form
    173,505/278,482.50 = 278,482.50/x
  3. Step 3: Cross multiply
    173,505x = 278,482.50 × 278,482.50
  4. Step 4: Simplify right side
    173,505x = 77,552,502,806.25
  5. Step 5: Solve for x
    x = 77,552,502,806.25/173,505
  6. Step 6: Final answer
    x = 446,975.61

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.