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Finding the Third Proportional to 18,487,669.50 and 28,850,713.88

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Solution

The third proportional to 18,487,669.50 and 28,850,713.88 is: 45,022,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487,669.50 : 28,850,713.88 = 28,850,713.88 : x
  2. Step 2: Convert to fraction form
    18,487,669.50/28,850,713.88 = 28,850,713.88/x
  3. Step 3: Cross multiply
    18,487,669.50x = 28,850,713.88 × 28,850,713.88
  4. Step 4: Simplify right side
    18,487,669.50x = 832,363,691,097,117.50
  5. Step 5: Solve for x
    x = 832,363,691,097,117.50/18,487,669.50
  6. Step 6: Final answer
    x = 45,022,640.15

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.