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Finding the Third Proportional to 12,999,360 and 28,168,216

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Solution

The third proportional to 12,999,360 and 28,168,216 is: 61,037,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,999,360 : 28,168,216 = 28,168,216 : x
  2. Step 2: Convert to fraction form
    12,999,360/28,168,216 = 28,168,216/x
  3. Step 3: Cross multiply
    12,999,360x = 28,168,216 × 28,168,216
  4. Step 4: Simplify right side
    12,999,360x = 793,448,392,622,656
  5. Step 5: Solve for x
    x = 793,448,392,622,656/12,999,360
  6. Step 6: Final answer
    x = 61,037,496.66

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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.