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Finding the Third Proportional to 43,521,480 and 90,187,920

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Solution

The third proportional to 43,521,480 and 90,187,920 is: 186,893,021.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,521,480 : 90,187,920 = 90,187,920 : x
  2. Step 2: Convert to fraction form
    43,521,480/90,187,920 = 90,187,920/x
  3. Step 3: Cross multiply
    43,521,480x = 90,187,920 × 90,187,920
  4. Step 4: Simplify right side
    43,521,480x = 8,133,860,913,926,400
  5. Step 5: Solve for x
    x = 8,133,860,913,926,400/43,521,480
  6. Step 6: Final answer
    x = 186,893,021.88

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.