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Finding the Third Proportional to 63,942,324 and 138,637,938

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Solution

The third proportional to 63,942,324 and 138,637,938 is: 300,590,855.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,942,324 : 138,637,938 = 138,637,938 : x
  2. Step 2: Convert to fraction form
    63,942,324/138,637,938 = 138,637,938/x
  3. Step 3: Cross multiply
    63,942,324x = 138,637,938 × 138,637,938
  4. Step 4: Simplify right side
    63,942,324x = 19,220,477,852,891,844
  5. Step 5: Solve for x
    x = 19,220,477,852,891,844/63,942,324
  6. Step 6: Final answer
    x = 300,590,855.17

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.