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Finding the Third Proportional to 20,360,772 and 43,636,140

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Solution

The third proportional to 20,360,772 and 43,636,140 is: 93,518,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360,772 : 43,636,140 = 43,636,140 : x
  2. Step 2: Convert to fraction form
    20,360,772/43,636,140 = 43,636,140/x
  3. Step 3: Cross multiply
    20,360,772x = 43,636,140 × 43,636,140
  4. Step 4: Simplify right side
    20,360,772x = 1,904,112,714,099,600
  5. Step 5: Solve for x
    x = 1,904,112,714,099,600/20,360,772
  6. Step 6: Final answer
    x = 93,518,689.47

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.