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Finding the Third Proportional to 8,999,964 and 13,939,308

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Solution

The third proportional to 8,999,964 and 13,939,308 is: 21,589,453.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999,964 : 13,939,308 = 13,939,308 : x
  2. Step 2: Convert to fraction form
    8,999,964/13,939,308 = 13,939,308/x
  3. Step 3: Cross multiply
    8,999,964x = 13,939,308 × 13,939,308
  4. Step 4: Simplify right side
    8,999,964x = 194,304,307,518,864
  5. Step 5: Solve for x
    x = 194,304,307,518,864/8,999,964
  6. Step 6: Final answer
    x = 21,589,453.86

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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.