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Finding the Third Proportional to 21,223,112 and 45,834,928

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Solution

The third proportional to 21,223,112 and 45,834,928 is: 98,988,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,223,112 : 45,834,928 = 45,834,928 : x
  2. Step 2: Convert to fraction form
    21,223,112/45,834,928 = 45,834,928/x
  3. Step 3: Cross multiply
    21,223,112x = 45,834,928 × 45,834,928
  4. Step 4: Simplify right side
    21,223,112x = 2,100,840,624,765,184
  5. Step 5: Solve for x
    x = 2,100,840,624,765,184/21,223,112
  6. Step 6: Final answer
    x = 98,988,339.92

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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.