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Finding the Third Proportional to 19,271,560 and 28,374,918

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Solution

The third proportional to 19,271,560 and 28,374,918 is: 41,778,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271,560 : 28,374,918 = 28,374,918 : x
  2. Step 2: Convert to fraction form
    19,271,560/28,374,918 = 28,374,918/x
  3. Step 3: Cross multiply
    19,271,560x = 28,374,918 × 28,374,918
  4. Step 4: Simplify right side
    19,271,560x = 805,135,971,506,724
  5. Step 5: Solve for x
    x = 805,135,971,506,724/19,271,560
  6. Step 6: Final answer
    x = 41,778,453.41

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.