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Finding the Third Proportional to 48,381,064 and 74,911,686

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Solution

The third proportional to 48,381,064 and 74,911,686 is: 115,990,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381,064 : 74,911,686 = 74,911,686 : x
  2. Step 2: Convert to fraction form
    48,381,064/74,911,686 = 74,911,686/x
  3. Step 3: Cross multiply
    48,381,064x = 74,911,686 × 74,911,686
  4. Step 4: Simplify right side
    48,381,064x = 5,611,760,699,362,596
  5. Step 5: Solve for x
    x = 5,611,760,699,362,596/48,381,064
  6. Step 6: Final answer
    x = 115,990,849.22

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.