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Finding the Third Proportional to 20,798,620 and 32,457,040

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Solution

The third proportional to 20,798,620 and 32,457,040 is: 50,650,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,798,620 : 32,457,040 = 32,457,040 : x
  2. Step 2: Convert to fraction form
    20,798,620/32,457,040 = 32,457,040/x
  3. Step 3: Cross multiply
    20,798,620x = 32,457,040 × 32,457,040
  4. Step 4: Simplify right side
    20,798,620x = 1,053,459,445,561,600
  5. Step 5: Solve for x
    x = 1,053,459,445,561,600/20,798,620
  6. Step 6: Final answer
    x = 50,650,449.19

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.