Home / 77,460-169,664

Finding the Third Proportional to 77,460 and 169,664

Calculator

Solution

The third proportional to 77,460 and 169,664 is: 371,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,460 : 169,664 = 169,664 : x
  2. Step 2: Convert to fraction form
    77,460/169,664 = 169,664/x
  3. Step 3: Cross multiply
    77,460x = 169,664 × 169,664
  4. Step 4: Simplify right side
    77,460x = 28,785,872,896
  5. Step 5: Solve for x
    x = 28,785,872,896/77,460
  6. Step 6: Final answer
    x = 371,622.42

Related Problems

Find third proportional to 38,730 and 84,832
Half scale
Find third proportional to 154,920 and 339,328
Double scale
Find third proportional to 77,462 and 169,668
Similar ratio
Find third proportional to 116,190 and 254,496
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.