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Finding the Third Proportional to 917,568 and 1,975,752

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Solution

The third proportional to 917,568 and 1,975,752 is: 4,254,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,568 : 1,975,752 = 1,975,752 : x
  2. Step 2: Convert to fraction form
    917,568/1,975,752 = 1,975,752/x
  3. Step 3: Cross multiply
    917,568x = 1,975,752 × 1,975,752
  4. Step 4: Simplify right side
    917,568x = 3,903,595,965,504
  5. Step 5: Solve for x
    x = 3,903,595,965,504/917,568
  6. Step 6: Final answer
    x = 4,254,285.20

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.