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Finding the Third Proportional to 8,878,698 and 19,485,586

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Solution

The third proportional to 8,878,698 and 19,485,586 is: 42,763,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878,698 : 19,485,586 = 19,485,586 : x
  2. Step 2: Convert to fraction form
    8,878,698/19,485,586 = 19,485,586/x
  3. Step 3: Cross multiply
    8,878,698x = 19,485,586 × 19,485,586
  4. Step 4: Simplify right side
    8,878,698x = 379,688,061,763,396
  5. Step 5: Solve for x
    x = 379,688,061,763,396/8,878,698
  6. Step 6: Final answer
    x = 42,763,934.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.