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Finding the Third Proportional to 21,330,256 and 45,897,408

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Solution

The third proportional to 21,330,256 and 45,897,408 is: 98,759,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330,256 : 45,897,408 = 45,897,408 : x
  2. Step 2: Convert to fraction form
    21,330,256/45,897,408 = 45,897,408/x
  3. Step 3: Cross multiply
    21,330,256x = 45,897,408 × 45,897,408
  4. Step 4: Simplify right side
    21,330,256x = 2,106,572,061,118,464
  5. Step 5: Solve for x
    x = 2,106,572,061,118,464/21,330,256
  6. Step 6: Final answer
    x = 98,759,811.47

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.