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Finding the Third Proportional to 909,860 and 1,985,352

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Solution

The third proportional to 909,860 and 1,985,352 is: 4,332,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,860 : 1,985,352 = 1,985,352 : x
  2. Step 2: Convert to fraction form
    909,860/1,985,352 = 1,985,352/x
  3. Step 3: Cross multiply
    909,860x = 1,985,352 × 1,985,352
  4. Step 4: Simplify right side
    909,860x = 3,941,622,563,904
  5. Step 5: Solve for x
    x = 3,941,622,563,904/909,860
  6. Step 6: Final answer
    x = 4,332,119.85

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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.