Home / 345,168-742,392

Finding the Third Proportional to 345,168 and 742,392

Calculator

Solution

The third proportional to 345,168 and 742,392 is: 1,596,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,168 : 742,392 = 742,392 : x
  2. Step 2: Convert to fraction form
    345,168/742,392 = 742,392/x
  3. Step 3: Cross multiply
    345,168x = 742,392 × 742,392
  4. Step 4: Simplify right side
    345,168x = 551,145,881,664
  5. Step 5: Solve for x
    x = 551,145,881,664/345,168
  6. Step 6: Final answer
    x = 1,596,746.75

Related Problems

Find third proportional to 172,584 and 371,196
Half scale
Find third proportional to 690,336 and 1,484,784
Double scale
Find third proportional to 345,170 and 742,396
Similar ratio
Find third proportional to 517,752 and 1,113,588
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.