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Finding the Third Proportional to 48,989,349 and 80,666,131

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Solution

The third proportional to 48,989,349 and 80,666,131 is: 132,825,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,989,349 : 80,666,131 = 80,666,131 : x
  2. Step 2: Convert to fraction form
    48,989,349/80,666,131 = 80,666,131/x
  3. Step 3: Cross multiply
    48,989,349x = 80,666,131 × 80,666,131
  4. Step 4: Simplify right side
    48,989,349x = 6,507,024,690,509,161
  5. Step 5: Solve for x
    x = 6,507,024,690,509,161/48,989,349
  6. Step 6: Final answer
    x = 132,825,294.14

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.