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Finding the Third Proportional to 28,146,888 and 61,674,660

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Solution

The third proportional to 28,146,888 and 61,674,660 is: 135,139,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,146,888 : 61,674,660 = 61,674,660 : x
  2. Step 2: Convert to fraction form
    28,146,888/61,674,660 = 61,674,660/x
  3. Step 3: Cross multiply
    28,146,888x = 61,674,660 × 61,674,660
  4. Step 4: Simplify right side
    28,146,888x = 3,803,763,686,115,600
  5. Step 5: Solve for x
    x = 3,803,763,686,115,600/28,146,888
  6. Step 6: Final answer
    x = 135,139,759.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.