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Finding the Third Proportional to 21,660,688 and 47,572,357

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Solution

The third proportional to 21,660,688 and 47,572,357 is: 104,480,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,660,688 : 47,572,357 = 47,572,357 : x
  2. Step 2: Convert to fraction form
    21,660,688/47,572,357 = 47,572,357/x
  3. Step 3: Cross multiply
    21,660,688x = 47,572,357 × 47,572,357
  4. Step 4: Simplify right side
    21,660,688x = 2,263,129,150,535,449
  5. Step 5: Solve for x
    x = 2,263,129,150,535,449/21,660,688
  6. Step 6: Final answer
    x = 104,480,944.95

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.