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Finding the Third Proportional to 21,588,897 and 30,872,379

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Solution

The third proportional to 21,588,897 and 30,872,379 is: 44,147,868.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588,897 : 30,872,379 = 30,872,379 : x
  2. Step 2: Convert to fraction form
    21,588,897/30,872,379 = 30,872,379/x
  3. Step 3: Cross multiply
    21,588,897x = 30,872,379 × 30,872,379
  4. Step 4: Simplify right side
    21,588,897x = 953,103,785,119,641
  5. Step 5: Solve for x
    x = 953,103,785,119,641/21,588,897
  6. Step 6: Final answer
    x = 44,147,868.47

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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.