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Finding the Third Proportional to 5,317,526 and 8,249,421

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Solution

The third proportional to 5,317,526 and 8,249,421 is: 12,797,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317,526 : 8,249,421 = 8,249,421 : x
  2. Step 2: Convert to fraction form
    5,317,526/8,249,421 = 8,249,421/x
  3. Step 3: Cross multiply
    5,317,526x = 8,249,421 × 8,249,421
  4. Step 4: Simplify right side
    5,317,526x = 68,052,946,835,241
  5. Step 5: Solve for x
    x = 68,052,946,835,241/5,317,526
  6. Step 6: Final answer
    x = 12,797,858.79

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.