Home / 328,580-469,862

Finding the Third Proportional to 328,580 and 469,862

Calculator

Solution

The third proportional to 328,580 and 469,862 is: 671,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,580 : 469,862 = 469,862 : x
  2. Step 2: Convert to fraction form
    328,580/469,862 = 469,862/x
  3. Step 3: Cross multiply
    328,580x = 469,862 × 469,862
  4. Step 4: Simplify right side
    328,580x = 220,770,299,044
  5. Step 5: Solve for x
    x = 220,770,299,044/328,580
  6. Step 6: Final answer
    x = 671,892.08

Related Problems

Find third proportional to 164,290 and 234,931
Half scale
Find third proportional to 657,160 and 939,724
Double scale
Find third proportional to 328,582 and 469,865
Similar ratio
Find third proportional to 492,870 and 704,793
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.