Home / 162,915-345,495

Finding the Third Proportional to 162,915 and 345,495

Calculator

Solution

The third proportional to 162,915 and 345,495 is: 732,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,915 : 345,495 = 345,495 : x
  2. Step 2: Convert to fraction form
    162,915/345,495 = 345,495/x
  3. Step 3: Cross multiply
    162,915x = 345,495 × 345,495
  4. Step 4: Simplify right side
    162,915x = 119,366,795,025
  5. Step 5: Solve for x
    x = 119,366,795,025/162,915
  6. Step 6: Final answer
    x = 732,693.71

Related Problems

Find third proportional to 81,457.50 and 172,747.50
Half scale
Find third proportional to 325,830 and 690,990
Double scale
Find third proportional to 162,917 and 345,499
Similar ratio
Find third proportional to 244,372.50 and 518,242.50
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.