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Finding the Third Proportional to 90,118,215 and 185,013,870

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Solution

The third proportional to 90,118,215 and 185,013,870 is: 379,835,886.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,118,215 : 185,013,870 = 185,013,870 : x
  2. Step 2: Convert to fraction form
    90,118,215/185,013,870 = 185,013,870/x
  3. Step 3: Cross multiply
    90,118,215x = 185,013,870 × 185,013,870
  4. Step 4: Simplify right side
    90,118,215x = 34,230,132,092,376,900
  5. Step 5: Solve for x
    x = 34,230,132,092,376,900/90,118,215
  6. Step 6: Final answer
    x = 379,835,886.59

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.