Home / 153,048-324,276

Finding the Third Proportional to 153,048 and 324,276

Calculator

Solution

The third proportional to 153,048 and 324,276 is: 687,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,048 : 324,276 = 324,276 : x
  2. Step 2: Convert to fraction form
    153,048/324,276 = 324,276/x
  3. Step 3: Cross multiply
    153,048x = 324,276 × 324,276
  4. Step 4: Simplify right side
    153,048x = 105,154,924,176
  5. Step 5: Solve for x
    x = 105,154,924,176/153,048
  6. Step 6: Final answer
    x = 687,071.53

Related Problems

Find third proportional to 76,524 and 162,138
Half scale
Find third proportional to 306,096 and 648,552
Double scale
Find third proportional to 153,050 and 324,280
Similar ratio
Find third proportional to 229,572 and 486,414
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.