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Finding the Third Proportional to 1,891,640 and 2,830,548

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Solution

The third proportional to 1,891,640 and 2,830,548 is: 4,235,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,640 : 2,830,548 = 2,830,548 : x
  2. Step 2: Convert to fraction form
    1,891,640/2,830,548 = 2,830,548/x
  3. Step 3: Cross multiply
    1,891,640x = 2,830,548 × 2,830,548
  4. Step 4: Simplify right side
    1,891,640x = 8,012,001,980,304
  5. Step 5: Solve for x
    x = 8,012,001,980,304/1,891,640
  6. Step 6: Final answer
    x = 4,235,479.26

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