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Finding the Third Proportional to 5,312,988 and 7,970,634

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Solution

The third proportional to 5,312,988 and 7,970,634 is: 11,957,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312,988 : 7,970,634 = 7,970,634 : x
  2. Step 2: Convert to fraction form
    5,312,988/7,970,634 = 7,970,634/x
  3. Step 3: Cross multiply
    5,312,988x = 7,970,634 × 7,970,634
  4. Step 4: Simplify right side
    5,312,988x = 63,531,006,361,956
  5. Step 5: Solve for x
    x = 63,531,006,361,956/5,312,988
  6. Step 6: Final answer
    x = 11,957,679.25

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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.