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Finding the Third Proportional to 20,638,873.69 and 44,909,569.69

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Solution

The third proportional to 20,638,873.69 and 44,909,569.69 is: 97,721,875.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,638,873.69 : 44,909,569.69 = 44,909,569.69 : x
  2. Step 2: Convert to fraction form
    20,638,873.69/44,909,569.69 = 44,909,569.69/x
  3. Step 3: Cross multiply
    20,638,873.69x = 44,909,569.69 × 44,909,569.69
  4. Step 4: Simplify right side
    20,638,873.69x = 2,016,869,449,516,418.75
  5. Step 5: Solve for x
    x = 2,016,869,449,516,418.75/20,638,873.69
  6. Step 6: Final answer
    x = 97,721,875.72

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.