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Finding the Third Proportional to 19,290,424 and 41,609,681

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Solution

The third proportional to 19,290,424 and 41,609,681 is: 89,752,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290,424 : 41,609,681 = 41,609,681 : x
  2. Step 2: Convert to fraction form
    19,290,424/41,609,681 = 41,609,681/x
  3. Step 3: Cross multiply
    19,290,424x = 41,609,681 × 41,609,681
  4. Step 4: Simplify right side
    19,290,424x = 1,731,365,552,921,761
  5. Step 5: Solve for x
    x = 1,731,365,552,921,761/19,290,424
  6. Step 6: Final answer
    x = 89,752,591.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.