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Finding the Third Proportional to 29,358,290 and 61,393,468

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Solution

The third proportional to 29,358,290 and 61,393,468 is: 128,384,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,358,290 : 61,393,468 = 61,393,468 : x
  2. Step 2: Convert to fraction form
    29,358,290/61,393,468 = 61,393,468/x
  3. Step 3: Cross multiply
    29,358,290x = 61,393,468 × 61,393,468
  4. Step 4: Simplify right side
    29,358,290x = 3,769,157,913,067,024
  5. Step 5: Solve for x
    x = 3,769,157,913,067,024/29,358,290
  6. Step 6: Final answer
    x = 128,384,790.57

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.