Home / 328,440-705,992

Finding the Third Proportional to 328,440 and 705,992

Calculator

Solution

The third proportional to 328,440 and 705,992 is: 1,517,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,440 : 705,992 = 705,992 : x
  2. Step 2: Convert to fraction form
    328,440/705,992 = 705,992/x
  3. Step 3: Cross multiply
    328,440x = 705,992 × 705,992
  4. Step 4: Simplify right side
    328,440x = 498,424,704,064
  5. Step 5: Solve for x
    x = 498,424,704,064/328,440
  6. Step 6: Final answer
    x = 1,517,551.77

Related Problems

Find third proportional to 164,220 and 352,996
Half scale
Find third proportional to 656,880 and 1,411,984
Double scale
Find third proportional to 328,442 and 705,996
Similar ratio
Find third proportional to 492,660 and 1,058,988
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.