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Finding the Third Proportional to 9,102,428 and 19,554,422

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Solution

The third proportional to 9,102,428 and 19,554,422 is: 42,008,068.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102,428 : 19,554,422 = 19,554,422 : x
  2. Step 2: Convert to fraction form
    9,102,428/19,554,422 = 19,554,422/x
  3. Step 3: Cross multiply
    9,102,428x = 19,554,422 × 19,554,422
  4. Step 4: Simplify right side
    9,102,428x = 382,375,419,754,084
  5. Step 5: Solve for x
    x = 382,375,419,754,084/9,102,428
  6. Step 6: Final answer
    x = 42,008,068.59

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.