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Finding the Third Proportional to 19,507,824 and 28,979,136

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Solution

The third proportional to 19,507,824 and 28,979,136 is: 43,048,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,507,824 : 28,979,136 = 28,979,136 : x
  2. Step 2: Convert to fraction form
    19,507,824/28,979,136 = 28,979,136/x
  3. Step 3: Cross multiply
    19,507,824x = 28,979,136 × 28,979,136
  4. Step 4: Simplify right side
    19,507,824x = 839,790,323,306,496
  5. Step 5: Solve for x
    x = 839,790,323,306,496/19,507,824
  6. Step 6: Final answer
    x = 43,048,897.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.