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Finding the Third Proportional to 9,918,813 and 15,320,199

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Solution

The third proportional to 9,918,813 and 15,320,199 is: 23,662,962.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918,813 : 15,320,199 = 15,320,199 : x
  2. Step 2: Convert to fraction form
    9,918,813/15,320,199 = 15,320,199/x
  3. Step 3: Cross multiply
    9,918,813x = 15,320,199 × 15,320,199
  4. Step 4: Simplify right side
    9,918,813x = 234,708,497,399,601
  5. Step 5: Solve for x
    x = 234,708,497,399,601/9,918,813
  6. Step 6: Final answer
    x = 23,662,962.23

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.