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Finding the Third Proportional to 20,358,684 and 42,134,463

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Solution

The third proportional to 20,358,684 and 42,134,463 is: 87,201,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358,684 : 42,134,463 = 42,134,463 : x
  2. Step 2: Convert to fraction form
    20,358,684/42,134,463 = 42,134,463/x
  3. Step 3: Cross multiply
    20,358,684x = 42,134,463 × 42,134,463
  4. Step 4: Simplify right side
    20,358,684x = 1,775,312,972,298,369
  5. Step 5: Solve for x
    x = 1,775,312,972,298,369/20,358,684
  6. Step 6: Final answer
    x = 87,201,754.90

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.