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Finding the Third Proportional to 8,619,349 and 12,854,278

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Solution

The third proportional to 8,619,349 and 12,854,278 is: 19,169,946.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,349 : 12,854,278 = 12,854,278 : x
  2. Step 2: Convert to fraction form
    8,619,349/12,854,278 = 12,854,278/x
  3. Step 3: Cross multiply
    8,619,349x = 12,854,278 × 12,854,278
  4. Step 4: Simplify right side
    8,619,349x = 165,232,462,901,284
  5. Step 5: Solve for x
    x = 165,232,462,901,284/8,619,349
  6. Step 6: Final answer
    x = 19,169,946.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.