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Finding the Third Proportional to 20,538,846 and 28,713,123

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Solution

The third proportional to 20,538,846 and 28,713,123 is: 40,140,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,538,846 : 28,713,123 = 28,713,123 : x
  2. Step 2: Convert to fraction form
    20,538,846/28,713,123 = 28,713,123/x
  3. Step 3: Cross multiply
    20,538,846x = 28,713,123 × 28,713,123
  4. Step 4: Simplify right side
    20,538,846x = 824,443,432,413,129
  5. Step 5: Solve for x
    x = 824,443,432,413,129/20,538,846
  6. Step 6: Final answer
    x = 40,140,689.13

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.