Home / 435,346-638,115

Finding the Third Proportional to 435,346 and 638,115

Calculator

Solution

The third proportional to 435,346 and 638,115 is: 935,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,346 : 638,115 = 638,115 : x
  2. Step 2: Convert to fraction form
    435,346/638,115 = 638,115/x
  3. Step 3: Cross multiply
    435,346x = 638,115 × 638,115
  4. Step 4: Simplify right side
    435,346x = 407,190,753,225
  5. Step 5: Solve for x
    x = 407,190,753,225/435,346
  6. Step 6: Final answer
    x = 935,326.74

Related Problems

Find third proportional to 217,673 and 319,057.50
Half scale
Find third proportional to 870,692 and 1,276,230
Double scale
Find third proportional to 435,348 and 638,118
Similar ratio
Find third proportional to 653,019 and 957,172.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.