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Finding the Third Proportional to 18,751,240 and 28,176,788

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Solution

The third proportional to 18,751,240 and 28,176,788 is: 42,340,206.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,240 : 28,176,788 = 28,176,788 : x
  2. Step 2: Convert to fraction form
    18,751,240/28,176,788 = 28,176,788/x
  3. Step 3: Cross multiply
    18,751,240x = 28,176,788 × 28,176,788
  4. Step 4: Simplify right side
    18,751,240x = 793,931,381,996,944
  5. Step 5: Solve for x
    x = 793,931,381,996,944/18,751,240
  6. Step 6: Final answer
    x = 42,340,206.94

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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.