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Finding the Third Proportional to 2,980,320 and 6,437,029.50

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Solution

The third proportional to 2,980,320 and 6,437,029.50 is: 13,902,986.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,320 : 6,437,029.50 = 6,437,029.50 : x
  2. Step 2: Convert to fraction form
    2,980,320/6,437,029.50 = 6,437,029.50/x
  3. Step 3: Cross multiply
    2,980,320x = 6,437,029.50 × 6,437,029.50
  4. Step 4: Simplify right side
    2,980,320x = 41,435,348,783,870.25
  5. Step 5: Solve for x
    x = 41,435,348,783,870.25/2,980,320
  6. Step 6: Final answer
    x = 13,902,986.52

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.