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Finding the Third Proportional to 4,288,817 and 9,430,564

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Solution

The third proportional to 4,288,817 and 9,430,564 is: 20,736,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288,817 : 9,430,564 = 9,430,564 : x
  2. Step 2: Convert to fraction form
    4,288,817/9,430,564 = 9,430,564/x
  3. Step 3: Cross multiply
    4,288,817x = 9,430,564 × 9,430,564
  4. Step 4: Simplify right side
    4,288,817x = 88,935,537,358,096
  5. Step 5: Solve for x
    x = 88,935,537,358,096/4,288,817
  6. Step 6: Final answer
    x = 20,736,612.77

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.