Home / 153,426-317,503

Finding the Third Proportional to 153,426 and 317,503

Calculator

Solution

The third proportional to 153,426 and 317,503 is: 657,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,426 : 317,503 = 317,503 : x
  2. Step 2: Convert to fraction form
    153,426/317,503 = 317,503/x
  3. Step 3: Cross multiply
    153,426x = 317,503 × 317,503
  4. Step 4: Simplify right side
    153,426x = 100,808,155,009
  5. Step 5: Solve for x
    x = 100,808,155,009/153,426
  6. Step 6: Final answer
    x = 657,047.40

Related Problems

Find third proportional to 76,713 and 158,751.50
Half scale
Find third proportional to 306,852 and 635,006
Double scale
Find third proportional to 153,428 and 317,507
Similar ratio
Find third proportional to 230,139 and 476,254.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.