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Finding the Third Proportional to 21,473,899 and 45,435,091

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Solution

The third proportional to 21,473,899 and 45,435,091 is: 96,132,867.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473,899 : 45,435,091 = 45,435,091 : x
  2. Step 2: Convert to fraction form
    21,473,899/45,435,091 = 45,435,091/x
  3. Step 3: Cross multiply
    21,473,899x = 45,435,091 × 45,435,091
  4. Step 4: Simplify right side
    21,473,899x = 2,064,347,494,178,281
  5. Step 5: Solve for x
    x = 2,064,347,494,178,281/21,473,899
  6. Step 6: Final answer
    x = 96,132,867.82

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.