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Finding the Third Proportional to 10,158,428 and 21,694,544

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Solution

The third proportional to 10,158,428 and 21,694,544 is: 46,331,306.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158,428 : 21,694,544 = 21,694,544 : x
  2. Step 2: Convert to fraction form
    10,158,428/21,694,544 = 21,694,544/x
  3. Step 3: Cross multiply
    10,158,428x = 21,694,544 × 21,694,544
  4. Step 4: Simplify right side
    10,158,428x = 470,653,239,367,936
  5. Step 5: Solve for x
    x = 470,653,239,367,936/10,158,428
  6. Step 6: Final answer
    x = 46,331,306.32

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.