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Finding the Third Proportional to 19,388,160 and 28,707,893

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Solution

The third proportional to 19,388,160 and 28,707,893 is: 42,507,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388,160 : 28,707,893 = 28,707,893 : x
  2. Step 2: Convert to fraction form
    19,388,160/28,707,893 = 28,707,893/x
  3. Step 3: Cross multiply
    19,388,160x = 28,707,893 × 28,707,893
  4. Step 4: Simplify right side
    19,388,160x = 824,143,120,499,449
  5. Step 5: Solve for x
    x = 824,143,120,499,449/19,388,160
  6. Step 6: Final answer
    x = 42,507,546.90

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.