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Finding the Third Proportional to 70,618,218 and 149,636,946

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Solution

The third proportional to 70,618,218 and 149,636,946 is: 317,074,208.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,618,218 : 149,636,946 = 149,636,946 : x
  2. Step 2: Convert to fraction form
    70,618,218/149,636,946 = 149,636,946/x
  3. Step 3: Cross multiply
    70,618,218x = 149,636,946 × 149,636,946
  4. Step 4: Simplify right side
    70,618,218x = 22,391,215,608,206,916
  5. Step 5: Solve for x
    x = 22,391,215,608,206,916/70,618,218
  6. Step 6: Final answer
    x = 317,074,208.93

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.