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Finding the Third Proportional to 4,430,628 and 6,638,574

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Solution

The third proportional to 4,430,628 and 6,638,574 is: 9,946,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,430,628 : 6,638,574 = 6,638,574 : x
  2. Step 2: Convert to fraction form
    4,430,628/6,638,574 = 6,638,574/x
  3. Step 3: Cross multiply
    4,430,628x = 6,638,574 × 6,638,574
  4. Step 4: Simplify right side
    4,430,628x = 44,070,664,753,476
  5. Step 5: Solve for x
    x = 44,070,664,753,476/4,430,628
  6. Step 6: Final answer
    x = 9,946,821.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.