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Finding the Third Proportional to 15,670,740 and 22,193,910

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Solution

The third proportional to 15,670,740 and 22,193,910 is: 31,432,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670,740 : 22,193,910 = 22,193,910 : x
  2. Step 2: Convert to fraction form
    15,670,740/22,193,910 = 22,193,910/x
  3. Step 3: Cross multiply
    15,670,740x = 22,193,910 × 22,193,910
  4. Step 4: Simplify right side
    15,670,740x = 492,569,641,088,100
  5. Step 5: Solve for x
    x = 492,569,641,088,100/15,670,740
  6. Step 6: Final answer
    x = 31,432,442.95

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.