Home / 35,580-77,424

Finding the Third Proportional to 35,580 and 77,424

Calculator

Solution

The third proportional to 35,580 and 77,424 is: 168,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,580 : 77,424 = 77,424 : x
  2. Step 2: Convert to fraction form
    35,580/77,424 = 77,424/x
  3. Step 3: Cross multiply
    35,580x = 77,424 × 77,424
  4. Step 4: Simplify right side
    35,580x = 5,994,475,776
  5. Step 5: Solve for x
    x = 5,994,475,776/35,580
  6. Step 6: Final answer
    x = 168,478.80

Related Problems

Find third proportional to 17,790 and 38,712
Half scale
Find third proportional to 71,160 and 154,848
Double scale
Find third proportional to 35,582 and 77,428
Similar ratio
Find third proportional to 53,370 and 116,136
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.