Home / 315,136.50-424,585.50

Finding the Third Proportional to 315,136.50 and 424,585.50

Calculator

Solution

The third proportional to 315,136.50 and 424,585.50 is: 572,046.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,136.50 : 424,585.50 = 424,585.50 : x
  2. Step 2: Convert to fraction form
    315,136.50/424,585.50 = 424,585.50/x
  3. Step 3: Cross multiply
    315,136.50x = 424,585.50 × 424,585.50
  4. Step 4: Simplify right side
    315,136.50x = 180,272,846,810.25
  5. Step 5: Solve for x
    x = 180,272,846,810.25/315,136.50
  6. Step 6: Final answer
    x = 572,046.86

Related Problems

Find third proportional to 157,568.25 and 212,292.75
Half scale
Find third proportional to 630,273 and 849,171
Double scale
Find third proportional to 315,139 and 424,588
Similar ratio
Find third proportional to 472,704.75 and 636,878.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.