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Finding the Third Proportional to 21,298,225 and 30,456,712

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Solution

The third proportional to 21,298,225 and 30,456,712 is: 43,553,456.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,298,225 : 30,456,712 = 30,456,712 : x
  2. Step 2: Convert to fraction form
    21,298,225/30,456,712 = 30,456,712/x
  3. Step 3: Cross multiply
    21,298,225x = 30,456,712 × 30,456,712
  4. Step 4: Simplify right side
    21,298,225x = 927,611,305,850,944
  5. Step 5: Solve for x
    x = 927,611,305,850,944/21,298,225
  6. Step 6: Final answer
    x = 43,553,456.02

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.