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Finding the Third Proportional to 4,445,040 and 6,638,280

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Solution

The third proportional to 4,445,040 and 6,638,280 is: 9,913,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,445,040 : 6,638,280 = 6,638,280 : x
  2. Step 2: Convert to fraction form
    4,445,040/6,638,280 = 6,638,280/x
  3. Step 3: Cross multiply
    4,445,040x = 6,638,280 × 6,638,280
  4. Step 4: Simplify right side
    4,445,040x = 44,066,761,358,400
  5. Step 5: Solve for x
    x = 44,066,761,358,400/4,445,040
  6. Step 6: Final answer
    x = 9,913,692.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.