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Finding the Third Proportional to 20,238,420 and 31,088,682

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Solution

The third proportional to 20,238,420 and 31,088,682 is: 47,756,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238,420 : 31,088,682 = 31,088,682 : x
  2. Step 2: Convert to fraction form
    20,238,420/31,088,682 = 31,088,682/x
  3. Step 3: Cross multiply
    20,238,420x = 31,088,682 × 31,088,682
  4. Step 4: Simplify right side
    20,238,420x = 966,506,148,497,124
  5. Step 5: Solve for x
    x = 966,506,148,497,124/20,238,420
  6. Step 6: Final answer
    x = 47,756,008.05

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.