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Finding the Third Proportional to 19,162,643 and 28,736,928

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Solution

The third proportional to 19,162,643 and 28,736,928 is: 43,094,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162,643 : 28,736,928 = 28,736,928 : x
  2. Step 2: Convert to fraction form
    19,162,643/28,736,928 = 28,736,928/x
  3. Step 3: Cross multiply
    19,162,643x = 28,736,928 × 28,736,928
  4. Step 4: Simplify right side
    19,162,643x = 825,811,030,877,184
  5. Step 5: Solve for x
    x = 825,811,030,877,184/19,162,643
  6. Step 6: Final answer
    x = 43,094,839.83

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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.