Home / 133,461-289,998

Finding the Third Proportional to 133,461 and 289,998

Calculator

Solution

The third proportional to 133,461 and 289,998 is: 630,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,461 : 289,998 = 289,998 : x
  2. Step 2: Convert to fraction form
    133,461/289,998 = 289,998/x
  3. Step 3: Cross multiply
    133,461x = 289,998 × 289,998
  4. Step 4: Simplify right side
    133,461x = 84,098,840,004
  5. Step 5: Solve for x
    x = 84,098,840,004/133,461
  6. Step 6: Final answer
    x = 630,137.94

Related Problems

Find third proportional to 66,730.50 and 144,999
Half scale
Find third proportional to 266,922 and 579,996
Double scale
Find third proportional to 133,463 and 290,002
Similar ratio
Find third proportional to 200,191.50 and 434,997
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.