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Finding the Third Proportional to 4,282,236 and 6,638,499

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Solution

The third proportional to 4,282,236 and 6,638,499 is: 10,291,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282,236 : 6,638,499 = 6,638,499 : x
  2. Step 2: Convert to fraction form
    4,282,236/6,638,499 = 6,638,499/x
  3. Step 3: Cross multiply
    4,282,236x = 6,638,499 × 6,638,499
  4. Step 4: Simplify right side
    4,282,236x = 44,069,668,973,001
  5. Step 5: Solve for x
    x = 44,069,668,973,001/4,282,236
  6. Step 6: Final answer
    x = 10,291,275.16

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.