Home / 657,348-939,354

Finding the Third Proportional to 657,348 and 939,354

Calculator

Solution

The third proportional to 657,348 and 939,354 is: 1,342,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,348 : 939,354 = 939,354 : x
  2. Step 2: Convert to fraction form
    657,348/939,354 = 939,354/x
  3. Step 3: Cross multiply
    657,348x = 939,354 × 939,354
  4. Step 4: Simplify right side
    657,348x = 882,385,937,316
  5. Step 5: Solve for x
    x = 882,385,937,316/657,348
  6. Step 6: Final answer
    x = 1,342,342.16

Related Problems

Find third proportional to 328,674 and 469,677
Half scale
Find third proportional to 1,314,696 and 1,878,708
Double scale
Find third proportional to 657,350 and 939,357
Similar ratio
Find third proportional to 986,022 and 1,409,031
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.