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Finding the Third Proportional to 21,215,700 and 45,812,016

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Solution

The third proportional to 21,215,700 and 45,812,016 is: 98,923,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,215,700 : 45,812,016 = 45,812,016 : x
  2. Step 2: Convert to fraction form
    21,215,700/45,812,016 = 45,812,016/x
  3. Step 3: Cross multiply
    21,215,700x = 45,812,016 × 45,812,016
  4. Step 4: Simplify right side
    21,215,700x = 2,098,740,809,984,256
  5. Step 5: Solve for x
    x = 2,098,740,809,984,256/21,215,700
  6. Step 6: Final answer
    x = 98,923,948.30

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.