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Finding the Third Proportional to 20,971,844 and 45,573,829

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Solution

The third proportional to 20,971,844 and 45,573,829 is: 99,036,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,971,844 : 45,573,829 = 45,573,829 : x
  2. Step 2: Convert to fraction form
    20,971,844/45,573,829 = 45,573,829/x
  3. Step 3: Cross multiply
    20,971,844x = 45,573,829 × 45,573,829
  4. Step 4: Simplify right side
    20,971,844x = 2,076,973,889,721,241
  5. Step 5: Solve for x
    x = 2,076,973,889,721,241/20,971,844
  6. Step 6: Final answer
    x = 99,036,302.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.