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Finding the Third Proportional to 48,347,280 and 74,971,818

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Solution

The third proportional to 48,347,280 and 74,971,818 is: 116,258,318.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,347,280 : 74,971,818 = 74,971,818 : x
  2. Step 2: Convert to fraction form
    48,347,280/74,971,818 = 74,971,818/x
  3. Step 3: Cross multiply
    48,347,280x = 74,971,818 × 74,971,818
  4. Step 4: Simplify right side
    48,347,280x = 5,620,773,494,225,124
  5. Step 5: Solve for x
    x = 5,620,773,494,225,124/48,347,280
  6. Step 6: Final answer
    x = 116,258,318.86

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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.