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Finding the Third Proportional to 2,927,990 and 6,344,728

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Solution

The third proportional to 2,927,990 and 6,344,728 is: 13,748,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,990 : 6,344,728 = 6,344,728 : x
  2. Step 2: Convert to fraction form
    2,927,990/6,344,728 = 6,344,728/x
  3. Step 3: Cross multiply
    2,927,990x = 6,344,728 × 6,344,728
  4. Step 4: Simplify right side
    2,927,990x = 40,255,573,393,984
  5. Step 5: Solve for x
    x = 40,255,573,393,984/2,927,990
  6. Step 6: Final answer
    x = 13,748,535.14

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.