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Finding the Third Proportional to 8,547,997 and 13,278,188

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Solution

The third proportional to 8,547,997 and 13,278,188 is: 20,625,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547,997 : 13,278,188 = 13,278,188 : x
  2. Step 2: Convert to fraction form
    8,547,997/13,278,188 = 13,278,188/x
  3. Step 3: Cross multiply
    8,547,997x = 13,278,188 × 13,278,188
  4. Step 4: Simplify right side
    8,547,997x = 176,310,276,563,344
  5. Step 5: Solve for x
    x = 176,310,276,563,344/8,547,997
  6. Step 6: Final answer
    x = 20,625,916.99

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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.