Home / 328,088-717,440

Finding the Third Proportional to 328,088 and 717,440

Calculator

Solution

The third proportional to 328,088 and 717,440 is: 1,568,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,088 : 717,440 = 717,440 : x
  2. Step 2: Convert to fraction form
    328,088/717,440 = 717,440/x
  3. Step 3: Cross multiply
    328,088x = 717,440 × 717,440
  4. Step 4: Simplify right side
    328,088x = 514,720,153,600
  5. Step 5: Solve for x
    x = 514,720,153,600/328,088
  6. Step 6: Final answer
    x = 1,568,847.85

Related Problems

Find third proportional to 164,044 and 358,720
Half scale
Find third proportional to 656,176 and 1,434,880
Double scale
Find third proportional to 328,090 and 717,444
Similar ratio
Find third proportional to 492,132 and 1,076,160
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.