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Finding the Third Proportional to 2,598,987 and 3,999,972

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Solution

The third proportional to 2,598,987 and 3,999,972 is: 6,156,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598,987 : 3,999,972 = 3,999,972 : x
  2. Step 2: Convert to fraction form
    2,598,987/3,999,972 = 3,999,972/x
  3. Step 3: Cross multiply
    2,598,987x = 3,999,972 × 3,999,972
  4. Step 4: Simplify right side
    2,598,987x = 15,999,776,000,784
  5. Step 5: Solve for x
    x = 15,999,776,000,784/2,598,987
  6. Step 6: Final answer
    x = 6,156,158.53

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.