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Finding the Third Proportional to 5,405,600 and 7,280,982

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Solution

The third proportional to 5,405,600 and 7,280,982 is: 9,806,996.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405,600 : 7,280,982 = 7,280,982 : x
  2. Step 2: Convert to fraction form
    5,405,600/7,280,982 = 7,280,982/x
  3. Step 3: Cross multiply
    5,405,600x = 7,280,982 × 7,280,982
  4. Step 4: Simplify right side
    5,405,600x = 53,012,698,884,324
  5. Step 5: Solve for x
    x = 53,012,698,884,324/5,405,600
  6. Step 6: Final answer
    x = 9,806,996.24

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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.