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Finding the Third Proportional to 9,478,944 and 13,545,408

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Solution

The third proportional to 9,478,944 and 13,545,408 is: 19,356,383.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478,944 : 13,545,408 = 13,545,408 : x
  2. Step 2: Convert to fraction form
    9,478,944/13,545,408 = 13,545,408/x
  3. Step 3: Cross multiply
    9,478,944x = 13,545,408 × 13,545,408
  4. Step 4: Simplify right side
    9,478,944x = 183,478,077,886,464
  5. Step 5: Solve for x
    x = 183,478,077,886,464/9,478,944
  6. Step 6: Final answer
    x = 19,356,383.78

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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.