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Finding the Third Proportional to 18,290,862 and 28,068,705

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Solution

The third proportional to 18,290,862 and 28,068,705 is: 43,073,541.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290,862 : 28,068,705 = 28,068,705 : x
  2. Step 2: Convert to fraction form
    18,290,862/28,068,705 = 28,068,705/x
  3. Step 3: Cross multiply
    18,290,862x = 28,068,705 × 28,068,705
  4. Step 4: Simplify right side
    18,290,862x = 787,852,200,377,025
  5. Step 5: Solve for x
    x = 787,852,200,377,025/18,290,862
  6. Step 6: Final answer
    x = 43,073,541.33

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.