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Finding the Third Proportional to 21,018,305 and 29,585,507

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Solution

The third proportional to 21,018,305 and 29,585,507 is: 41,644,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,018,305 : 29,585,507 = 29,585,507 : x
  2. Step 2: Convert to fraction form
    21,018,305/29,585,507 = 29,585,507/x
  3. Step 3: Cross multiply
    21,018,305x = 29,585,507 × 29,585,507
  4. Step 4: Simplify right side
    21,018,305x = 875,302,224,447,049
  5. Step 5: Solve for x
    x = 875,302,224,447,049/21,018,305
  6. Step 6: Final answer
    x = 41,644,757.96

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.