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Finding the Third Proportional to 8,938,998 and 13,838,515.88

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Solution

The third proportional to 8,938,998 and 13,838,515.88 is: 21,423,488.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,998 : 13,838,515.88 = 13,838,515.88 : x
  2. Step 2: Convert to fraction form
    8,938,998/13,838,515.88 = 13,838,515.88/x
  3. Step 3: Cross multiply
    8,938,998x = 13,838,515.88 × 13,838,515.88
  4. Step 4: Simplify right side
    8,938,998x = 191,504,521,622,627
  5. Step 5: Solve for x
    x = 191,504,521,622,627/8,938,998
  6. Step 6: Final answer
    x = 21,423,488.59

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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.