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Finding the Third Proportional to 103,634,018 and 221,616,942

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Solution

The third proportional to 103,634,018 and 221,616,942 is: 473,918,409.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634,018 : 221,616,942 = 221,616,942 : x
  2. Step 2: Convert to fraction form
    103,634,018/221,616,942 = 221,616,942/x
  3. Step 3: Cross multiply
    103,634,018x = 221,616,942 × 221,616,942
  4. Step 4: Simplify right side
    103,634,018x = 49,114,068,981,431,360
  5. Step 5: Solve for x
    x = 49,114,068,981,431,360/103,634,018
  6. Step 6: Final answer
    x = 473,918,409.51

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.