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Finding the Third Proportional to 20,982,096 and 45,152,840

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Solution

The third proportional to 20,982,096 and 45,152,840 is: 97,167,554.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,982,096 : 45,152,840 = 45,152,840 : x
  2. Step 2: Convert to fraction form
    20,982,096/45,152,840 = 45,152,840/x
  3. Step 3: Cross multiply
    20,982,096x = 45,152,840 × 45,152,840
  4. Step 4: Simplify right side
    20,982,096x = 2,038,778,960,065,600
  5. Step 5: Solve for x
    x = 2,038,778,960,065,600/20,982,096
  6. Step 6: Final answer
    x = 97,167,554.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.