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Finding the Third Proportional to 12,572,760,976 and 20,953,338,792

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Solution

The third proportional to 12,572,760,976 and 20,953,338,792 is: 34,920,126,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572,760,976 : 20,953,338,792 = 20,953,338,792 : x
  2. Step 2: Convert to fraction form
    12,572,760,976/20,953,338,792 = 20,953,338,792/x
  3. Step 3: Cross multiply
    12,572,760,976x = 20,953,338,792 × 20,953,338,792
  4. Step 4: Simplify right side
    12,572,760,976x = 439,042,406,532,331,995,136
  5. Step 5: Solve for x
    x = 439,042,406,532,331,995,136/12,572,760,976
  6. Step 6: Final answer
    x = 34,920,126,722.40

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.