Home / 178,140-277,062

Finding the Third Proportional to 178,140 and 277,062

Calculator

Solution

The third proportional to 178,140 and 277,062 is: 430,915.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,140 : 277,062 = 277,062 : x
  2. Step 2: Convert to fraction form
    178,140/277,062 = 277,062/x
  3. Step 3: Cross multiply
    178,140x = 277,062 × 277,062
  4. Step 4: Simplify right side
    178,140x = 76,763,351,844
  5. Step 5: Solve for x
    x = 76,763,351,844/178,140
  6. Step 6: Final answer
    x = 430,915.86

Related Problems

Find third proportional to 89,070 and 138,531
Half scale
Find third proportional to 356,280 and 554,124
Double scale
Find third proportional to 178,142 and 277,065
Similar ratio
Find third proportional to 267,210 and 415,593
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.