Home / 402,984-847,332

Finding the Third Proportional to 402,984 and 847,332

Calculator

Solution

The third proportional to 402,984 and 847,332 is: 1,781,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,984 : 847,332 = 847,332 : x
  2. Step 2: Convert to fraction form
    402,984/847,332 = 847,332/x
  3. Step 3: Cross multiply
    402,984x = 847,332 × 847,332
  4. Step 4: Simplify right side
    402,984x = 717,971,518,224
  5. Step 5: Solve for x
    x = 717,971,518,224/402,984
  6. Step 6: Final answer
    x = 1,781,637.78

Related Problems

Find third proportional to 201,492 and 423,666
Half scale
Find third proportional to 805,968 and 1,694,664
Double scale
Find third proportional to 402,986 and 847,336
Similar ratio
Find third proportional to 604,476 and 1,270,998
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.