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Finding the Third Proportional to 21,299,328 and 46,653,057

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Solution

The third proportional to 21,299,328 and 46,653,057 is: 102,186,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,299,328 : 46,653,057 = 46,653,057 : x
  2. Step 2: Convert to fraction form
    21,299,328/46,653,057 = 46,653,057/x
  3. Step 3: Cross multiply
    21,299,328x = 46,653,057 × 46,653,057
  4. Step 4: Simplify right side
    21,299,328x = 2,176,507,727,445,249
  5. Step 5: Solve for x
    x = 2,176,507,727,445,249/21,299,328
  6. Step 6: Final answer
    x = 102,186,685.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.