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Finding the Third Proportional to 179,480 and 277,874.50

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Solution

The third proportional to 179,480 and 277,874.50 is: 430,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,480 : 277,874.50 = 277,874.50 : x
  2. Step 2: Convert to fraction form
    179,480/277,874.50 = 277,874.50/x
  3. Step 3: Cross multiply
    179,480x = 277,874.50 × 277,874.50
  4. Step 4: Simplify right side
    179,480x = 77,214,237,750.25
  5. Step 5: Solve for x
    x = 77,214,237,750.25/179,480
  6. Step 6: Final answer
    x = 430,210.82

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.