Home / 178,069-277,315.50

Finding the Third Proportional to 178,069 and 277,315.50

Calculator

Solution

The third proportional to 178,069 and 277,315.50 is: 431,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,069 : 277,315.50 = 277,315.50 : x
  2. Step 2: Convert to fraction form
    178,069/277,315.50 = 277,315.50/x
  3. Step 3: Cross multiply
    178,069x = 277,315.50 × 277,315.50
  4. Step 4: Simplify right side
    178,069x = 76,903,886,540.25
  5. Step 5: Solve for x
    x = 76,903,886,540.25/178,069
  6. Step 6: Final answer
    x = 431,876.89

Related Problems

Find third proportional to 89,034.50 and 138,657.75
Half scale
Find third proportional to 356,138 and 554,631
Double scale
Find third proportional to 178,071 and 277,319
Similar ratio
Find third proportional to 267,103.50 and 415,973.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.