Home / 425,592-643,464

Finding the Third Proportional to 425,592 and 643,464

Calculator

Solution

The third proportional to 425,592 and 643,464 is: 972,870.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,592 : 643,464 = 643,464 : x
  2. Step 2: Convert to fraction form
    425,592/643,464 = 643,464/x
  3. Step 3: Cross multiply
    425,592x = 643,464 × 643,464
  4. Step 4: Simplify right side
    425,592x = 414,045,919,296
  5. Step 5: Solve for x
    x = 414,045,919,296/425,592
  6. Step 6: Final answer
    x = 972,870.54

Related Problems

Find third proportional to 212,796 and 321,732
Half scale
Find third proportional to 851,184 and 1,286,928
Double scale
Find third proportional to 425,594 and 643,467
Similar ratio
Find third proportional to 638,388 and 965,196
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.