Home / 78,240,243.94-169,920,696.38

Finding the Third Proportional to 78,240,243.94 and 169,920,696.38

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Solution

The third proportional to 78,240,243.94 and 169,920,696.38 is: 369,030,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,240,243.94 : 169,920,696.38 = 169,920,696.38 : x
  2. Step 2: Convert to fraction form
    78,240,243.94/169,920,696.38 = 169,920,696.38/x
  3. Step 3: Cross multiply
    78,240,243.94x = 169,920,696.38 × 169,920,696.38
  4. Step 4: Simplify right side
    78,240,243.94x = 28,873,043,056,564,940
  5. Step 5: Solve for x
    x = 28,873,043,056,564,940/78,240,243.94
  6. Step 6: Final answer
    x = 369,030,585.84

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.