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Finding the Third Proportional to 3,985,470 and 6,344,752.50

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Solution

The third proportional to 3,985,470 and 6,344,752.50 is: 10,100,661.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,470 : 6,344,752.50 = 6,344,752.50 : x
  2. Step 2: Convert to fraction form
    3,985,470/6,344,752.50 = 6,344,752.50/x
  3. Step 3: Cross multiply
    3,985,470x = 6,344,752.50 × 6,344,752.50
  4. Step 4: Simplify right side
    3,985,470x = 40,255,884,286,256.25
  5. Step 5: Solve for x
    x = 40,255,884,286,256.25/3,985,470
  6. Step 6: Final answer
    x = 10,100,661.73

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.