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Finding the Third Proportional to 18,447,388 and 40,369,922

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Solution

The third proportional to 18,447,388 and 40,369,922 is: 88,344,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447,388 : 40,369,922 = 40,369,922 : x
  2. Step 2: Convert to fraction form
    18,447,388/40,369,922 = 40,369,922/x
  3. Step 3: Cross multiply
    18,447,388x = 40,369,922 × 40,369,922
  4. Step 4: Simplify right side
    18,447,388x = 1,629,730,602,286,084
  5. Step 5: Solve for x
    x = 1,629,730,602,286,084/18,447,388
  6. Step 6: Final answer
    x = 88,344,789.10

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.