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Finding the Third Proportional to 1,385,818.88 and 2,963,157.19

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Solution

The third proportional to 1,385,818.88 and 2,963,157.19 is: 6,335,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,818.88 : 2,963,157.19 = 2,963,157.19 : x
  2. Step 2: Convert to fraction form
    1,385,818.88/2,963,157.19 = 2,963,157.19/x
  3. Step 3: Cross multiply
    1,385,818.88x = 2,963,157.19 × 2,963,157.19
  4. Step 4: Simplify right side
    1,385,818.88x = 8,780,300,517,832.91
  5. Step 5: Solve for x
    x = 8,780,300,517,832.91/1,385,818.88
  6. Step 6: Final answer
    x = 6,335,821.14

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.