Home / 187,064-290,246

Finding the Third Proportional to 187,064 and 290,246

Calculator

Solution

The third proportional to 187,064 and 290,246 is: 450,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,064 : 290,246 = 290,246 : x
  2. Step 2: Convert to fraction form
    187,064/290,246 = 290,246/x
  3. Step 3: Cross multiply
    187,064x = 290,246 × 290,246
  4. Step 4: Simplify right side
    187,064x = 84,242,740,516
  5. Step 5: Solve for x
    x = 84,242,740,516/187,064
  6. Step 6: Final answer
    x = 450,341.81

Related Problems

Find third proportional to 93,532 and 145,123
Half scale
Find third proportional to 374,128 and 580,492
Double scale
Find third proportional to 187,066 and 290,249
Similar ratio
Find third proportional to 280,596 and 435,369
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.