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Finding the Third Proportional to 4,558,734 and 7,218,639

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Solution

The third proportional to 4,558,734 and 7,218,639 is: 11,430,530.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,558,734 : 7,218,639 = 7,218,639 : x
  2. Step 2: Convert to fraction form
    4,558,734/7,218,639 = 7,218,639/x
  3. Step 3: Cross multiply
    4,558,734x = 7,218,639 × 7,218,639
  4. Step 4: Simplify right side
    4,558,734x = 52,108,749,012,321
  5. Step 5: Solve for x
    x = 52,108,749,012,321/4,558,734
  6. Step 6: Final answer
    x = 11,430,530.72

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.