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Finding the Third Proportional to 20,717,076 and 31,363,182

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Solution

The third proportional to 20,717,076 and 31,363,182 is: 47,480,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717,076 : 31,363,182 = 31,363,182 : x
  2. Step 2: Convert to fraction form
    20,717,076/31,363,182 = 31,363,182/x
  3. Step 3: Cross multiply
    20,717,076x = 31,363,182 × 31,363,182
  4. Step 4: Simplify right side
    20,717,076x = 983,649,185,165,124
  5. Step 5: Solve for x
    x = 983,649,185,165,124/20,717,076
  6. Step 6: Final answer
    x = 47,480,116.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.