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Finding the Third Proportional to 16,398,940.43 and 35,877,609.70

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Solution

The third proportional to 16,398,940.43 and 35,877,609.70 is: 78,493,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,398,940.43 : 35,877,609.70 = 35,877,609.70 : x
  2. Step 2: Convert to fraction form
    16,398,940.43/35,877,609.70 = 35,877,609.70/x
  3. Step 3: Cross multiply
    16,398,940.43x = 35,877,609.70 × 35,877,609.70
  4. Step 4: Simplify right side
    16,398,940.43x = 1,287,202,878,009,769.25
  5. Step 5: Solve for x
    x = 1,287,202,878,009,769.25/16,398,940.43
  6. Step 6: Final answer
    x = 78,493,051.64

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.