Home / 172,716,685.31-265,341,603.09

Finding the Third Proportional to 172,716,685.31 and 265,341,603.09

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Solution

The third proportional to 172,716,685.31 and 265,341,603.09 is: 407,639,633.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,716,685.31 : 265,341,603.09 = 265,341,603.09 : x
  2. Step 2: Convert to fraction form
    172,716,685.31/265,341,603.09 = 265,341,603.09/x
  3. Step 3: Cross multiply
    172,716,685.31x = 265,341,603.09 × 265,341,603.09
  4. Step 4: Simplify right side
    172,716,685.31x = 70,406,166,332,361,160
  5. Step 5: Solve for x
    x = 70,406,166,332,361,160/172,716,685.31
  6. Step 6: Final answer
    x = 407,639,633.69

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.