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Finding the Third Proportional to 8,708,830 and 18,455,913

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Solution

The third proportional to 8,708,830 and 18,455,913 is: 39,112,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708,830 : 18,455,913 = 18,455,913 : x
  2. Step 2: Convert to fraction form
    8,708,830/18,455,913 = 18,455,913/x
  3. Step 3: Cross multiply
    8,708,830x = 18,455,913 × 18,455,913
  4. Step 4: Simplify right side
    8,708,830x = 340,620,724,663,569
  5. Step 5: Solve for x
    x = 340,620,724,663,569/8,708,830
  6. Step 6: Final answer
    x = 39,112,110.89

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.