Home / 77,276-169,330

Finding the Third Proportional to 77,276 and 169,330

Calculator

Solution

The third proportional to 77,276 and 169,330 is: 371,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,276 : 169,330 = 169,330 : x
  2. Step 2: Convert to fraction form
    77,276/169,330 = 169,330/x
  3. Step 3: Cross multiply
    77,276x = 169,330 × 169,330
  4. Step 4: Simplify right side
    77,276x = 28,672,648,900
  5. Step 5: Solve for x
    x = 28,672,648,900/77,276
  6. Step 6: Final answer
    x = 371,042.09

Related Problems

Find third proportional to 38,638 and 84,665
Half scale
Find third proportional to 154,552 and 338,660
Double scale
Find third proportional to 77,278 and 169,334
Similar ratio
Find third proportional to 115,914 and 253,995
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.