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Finding the Third Proportional to 54,860,000 and 74,721,880

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Solution

The third proportional to 54,860,000 and 74,721,880 is: 101,774,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,860,000 : 74,721,880 = 74,721,880 : x
  2. Step 2: Convert to fraction form
    54,860,000/74,721,880 = 74,721,880/x
  3. Step 3: Cross multiply
    54,860,000x = 74,721,880 × 74,721,880
  4. Step 4: Simplify right side
    54,860,000x = 5,583,359,350,734,400
  5. Step 5: Solve for x
    x = 5,583,359,350,734,400/54,860,000
  6. Step 6: Final answer
    x = 101,774,687.40

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.