Home / 142,750-307,424

Finding the Third Proportional to 142,750 and 307,424

Calculator

Solution

The third proportional to 142,750 and 307,424 is: 662,063.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,750 : 307,424 = 307,424 : x
  2. Step 2: Convert to fraction form
    142,750/307,424 = 307,424/x
  3. Step 3: Cross multiply
    142,750x = 307,424 × 307,424
  4. Step 4: Simplify right side
    142,750x = 94,509,515,776
  5. Step 5: Solve for x
    x = 94,509,515,776/142,750
  6. Step 6: Final answer
    x = 662,063.16

Related Problems

Find third proportional to 71,375 and 153,712
Half scale
Find third proportional to 285,500 and 614,848
Double scale
Find third proportional to 142,752 and 307,428
Similar ratio
Find third proportional to 214,125 and 461,136
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.