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Finding the Third Proportional to 21,223,107 and 45,834,918

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Solution

The third proportional to 21,223,107 and 45,834,918 is: 98,988,320.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,223,107 : 45,834,918 = 45,834,918 : x
  2. Step 2: Convert to fraction form
    21,223,107/45,834,918 = 45,834,918/x
  3. Step 3: Cross multiply
    21,223,107x = 45,834,918 × 45,834,918
  4. Step 4: Simplify right side
    21,223,107x = 2,100,839,708,066,724
  5. Step 5: Solve for x
    x = 2,100,839,708,066,724/21,223,107
  6. Step 6: Final answer
    x = 98,988,320.05

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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.