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Finding the Third Proportional to 20,478,726 and 43,996,545

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Solution

The third proportional to 20,478,726 and 43,996,545 is: 94,522,284.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,478,726 : 43,996,545 = 43,996,545 : x
  2. Step 2: Convert to fraction form
    20,478,726/43,996,545 = 43,996,545/x
  3. Step 3: Cross multiply
    20,478,726x = 43,996,545 × 43,996,545
  4. Step 4: Simplify right side
    20,478,726x = 1,935,695,971,937,025
  5. Step 5: Solve for x
    x = 1,935,695,971,937,025/20,478,726
  6. Step 6: Final answer
    x = 94,522,284.83

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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.