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Finding the Third Proportional to 18,751,160.25 and 28,176,666.75

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Solution

The third proportional to 18,751,160.25 and 28,176,666.75 is: 42,340,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,160.25 : 28,176,666.75 = 28,176,666.75 : x
  2. Step 2: Convert to fraction form
    18,751,160.25/28,176,666.75 = 28,176,666.75/x
  3. Step 3: Cross multiply
    18,751,160.25x = 28,176,666.75 × 28,176,666.75
  4. Step 4: Simplify right side
    18,751,160.25x = 793,924,549,140,555.50
  5. Step 5: Solve for x
    x = 793,924,549,140,555.50/18,751,160.25
  6. Step 6: Final answer
    x = 42,340,022.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.