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Finding the Third Proportional to 20,353,842 and 31,475,628

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Solution

The third proportional to 20,353,842 and 31,475,628 is: 48,674,601.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353,842 : 31,475,628 = 31,475,628 : x
  2. Step 2: Convert to fraction form
    20,353,842/31,475,628 = 31,475,628/x
  3. Step 3: Cross multiply
    20,353,842x = 31,475,628 × 31,475,628
  4. Step 4: Simplify right side
    20,353,842x = 990,715,157,994,384
  5. Step 5: Solve for x
    x = 990,715,157,994,384/20,353,842
  6. Step 6: Final answer
    x = 48,674,601.97

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.