Home / 145,076-221,908

Finding the Third Proportional to 145,076 and 221,908

Calculator

Solution

The third proportional to 145,076 and 221,908 is: 339,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,076 : 221,908 = 221,908 : x
  2. Step 2: Convert to fraction form
    145,076/221,908 = 221,908/x
  3. Step 3: Cross multiply
    145,076x = 221,908 × 221,908
  4. Step 4: Simplify right side
    145,076x = 49,243,160,464
  5. Step 5: Solve for x
    x = 49,243,160,464/145,076
  6. Step 6: Final answer
    x = 339,430.10

Related Problems

Find third proportional to 72,538 and 110,954
Half scale
Find third proportional to 290,152 and 443,816
Double scale
Find third proportional to 145,078 and 221,911
Similar ratio
Find third proportional to 217,614 and 332,862
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.