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Finding the Third Proportional to 8,547,999 and 13,278,191

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Solution

The third proportional to 8,547,999 and 13,278,191 is: 20,625,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547,999 : 13,278,191 = 13,278,191 : x
  2. Step 2: Convert to fraction form
    8,547,999/13,278,191 = 13,278,191/x
  3. Step 3: Cross multiply
    8,547,999x = 13,278,191 × 13,278,191
  4. Step 4: Simplify right side
    8,547,999x = 176,310,356,232,481
  5. Step 5: Solve for x
    x = 176,310,356,232,481/8,547,999
  6. Step 6: Final answer
    x = 20,625,921.49

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Why These Related Problems?

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