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Finding the Third Proportional to 28,726,749 and 61,434,807

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Solution

The third proportional to 28,726,749 and 61,434,807 is: 131,384,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726,749 : 61,434,807 = 61,434,807 : x
  2. Step 2: Convert to fraction form
    28,726,749/61,434,807 = 61,434,807/x
  3. Step 3: Cross multiply
    28,726,749x = 61,434,807 × 61,434,807
  4. Step 4: Simplify right side
    28,726,749x = 3,774,235,511,127,249
  5. Step 5: Solve for x
    x = 3,774,235,511,127,249/28,726,749
  6. Step 6: Final answer
    x = 131,384,011.16

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.