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Finding the Third Proportional to 20,140,299 and 30,788,397

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Solution

The third proportional to 20,140,299 and 30,788,397 is: 47,066,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140,299 : 30,788,397 = 30,788,397 : x
  2. Step 2: Convert to fraction form
    20,140,299/30,788,397 = 30,788,397/x
  3. Step 3: Cross multiply
    20,140,299x = 30,788,397 × 30,788,397
  4. Step 4: Simplify right side
    20,140,299x = 947,925,389,829,609
  5. Step 5: Solve for x
    x = 947,925,389,829,609/20,140,299
  6. Step 6: Final answer
    x = 47,066,103.13

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.