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Finding the Third Proportional to 9,134,038 and 19,895,420

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Solution

The third proportional to 9,134,038 and 19,895,420 is: 43,335,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134,038 : 19,895,420 = 19,895,420 : x
  2. Step 2: Convert to fraction form
    9,134,038/19,895,420 = 19,895,420/x
  3. Step 3: Cross multiply
    9,134,038x = 19,895,420 × 19,895,420
  4. Step 4: Simplify right side
    9,134,038x = 395,827,736,976,400
  5. Step 5: Solve for x
    x = 395,827,736,976,400/9,134,038
  6. Step 6: Final answer
    x = 43,335,459.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.