Home / 69,484-146,624

Finding the Third Proportional to 69,484 and 146,624

Calculator

Solution

The third proportional to 69,484 and 146,624 is: 309,403.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,484 : 146,624 = 146,624 : x
  2. Step 2: Convert to fraction form
    69,484/146,624 = 146,624/x
  3. Step 3: Cross multiply
    69,484x = 146,624 × 146,624
  4. Step 4: Simplify right side
    69,484x = 21,498,597,376
  5. Step 5: Solve for x
    x = 21,498,597,376/69,484
  6. Step 6: Final answer
    x = 309,403.57

Related Problems

Find third proportional to 34,742 and 73,312
Half scale
Find third proportional to 138,968 and 293,248
Double scale
Find third proportional to 69,486 and 146,628
Similar ratio
Find third proportional to 104,226 and 219,936
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.