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Finding the Third Proportional to 38,152,080 and 82,637,706

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Solution

The third proportional to 38,152,080 and 82,637,706 is: 178,993,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,152,080 : 82,637,706 = 82,637,706 : x
  2. Step 2: Convert to fraction form
    38,152,080/82,637,706 = 82,637,706/x
  3. Step 3: Cross multiply
    38,152,080x = 82,637,706 × 82,637,706
  4. Step 4: Simplify right side
    38,152,080x = 6,828,990,452,942,436
  5. Step 5: Solve for x
    x = 6,828,990,452,942,436/38,152,080
  6. Step 6: Final answer
    x = 178,993,922.56

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.