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Finding the Third Proportional to 4,221,229.50 and 6,986,520

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Solution

The third proportional to 4,221,229.50 and 6,986,520 is: 11,563,328.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221,229.50 : 6,986,520 = 6,986,520 : x
  2. Step 2: Convert to fraction form
    4,221,229.50/6,986,520 = 6,986,520/x
  3. Step 3: Cross multiply
    4,221,229.50x = 6,986,520 × 6,986,520
  4. Step 4: Simplify right side
    4,221,229.50x = 48,811,461,710,400
  5. Step 5: Solve for x
    x = 48,811,461,710,400/4,221,229.50
  6. Step 6: Final answer
    x = 11,563,328.10

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.