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Finding the Third Proportional to 18,074,688 and 39,736,164

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Solution

The third proportional to 18,074,688 and 39,736,164 is: 87,357,675.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074,688 : 39,736,164 = 39,736,164 : x
  2. Step 2: Convert to fraction form
    18,074,688/39,736,164 = 39,736,164/x
  3. Step 3: Cross multiply
    18,074,688x = 39,736,164 × 39,736,164
  4. Step 4: Simplify right side
    18,074,688x = 1,578,962,729,434,896
  5. Step 5: Solve for x
    x = 1,578,962,729,434,896/18,074,688
  6. Step 6: Final answer
    x = 87,357,675.52

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.