Home / 256,784.50-385,953

Finding the Third Proportional to 256,784.50 and 385,953

Calculator

Solution

The third proportional to 256,784.50 and 385,953 is: 580,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,784.50 : 385,953 = 385,953 : x
  2. Step 2: Convert to fraction form
    256,784.50/385,953 = 385,953/x
  3. Step 3: Cross multiply
    256,784.50x = 385,953 × 385,953
  4. Step 4: Simplify right side
    256,784.50x = 148,959,718,209
  5. Step 5: Solve for x
    x = 148,959,718,209/256,784.50
  6. Step 6: Final answer
    x = 580,096.22

Related Problems

Find third proportional to 128,392.25 and 192,976.50
Half scale
Find third proportional to 513,569 and 771,906
Double scale
Find third proportional to 256,787 and 385,956
Similar ratio
Find third proportional to 385,176.75 and 578,929.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.