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Finding the Third Proportional to 20,768,554 and 45,452,276

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Solution

The third proportional to 20,768,554 and 45,452,276 is: 99,472,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,768,554 : 45,452,276 = 45,452,276 : x
  2. Step 2: Convert to fraction form
    20,768,554/45,452,276 = 45,452,276/x
  3. Step 3: Cross multiply
    20,768,554x = 45,452,276 × 45,452,276
  4. Step 4: Simplify right side
    20,768,554x = 2,065,909,393,580,176
  5. Step 5: Solve for x
    x = 2,065,909,393,580,176/20,768,554
  6. Step 6: Final answer
    x = 99,472,952.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.