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Finding the Third Proportional to 2,869,756.25 and 6,243,945

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Solution

The third proportional to 2,869,756.25 and 6,243,945 is: 13,585,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869,756.25 : 6,243,945 = 6,243,945 : x
  2. Step 2: Convert to fraction form
    2,869,756.25/6,243,945 = 6,243,945/x
  3. Step 3: Cross multiply
    2,869,756.25x = 6,243,945 × 6,243,945
  4. Step 4: Simplify right side
    2,869,756.25x = 38,986,849,163,025
  5. Step 5: Solve for x
    x = 38,986,849,163,025/2,869,756.25
  6. Step 6: Final answer
    x = 13,585,421.82

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.