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Finding the Third Proportional to 8,857,116.49 and 13,285,666.20

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Solution

The third proportional to 8,857,116.49 and 13,285,666.20 is: 19,928,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,116.49 : 13,285,666.20 = 13,285,666.20 : x
  2. Step 2: Convert to fraction form
    8,857,116.49/13,285,666.20 = 13,285,666.20/x
  3. Step 3: Cross multiply
    8,857,116.49x = 13,285,666.20 × 13,285,666.20
  4. Step 4: Simplify right side
    8,857,116.49x = 176,508,926,253,256.06
  5. Step 5: Solve for x
    x = 176,508,926,253,256.06/8,857,116.49
  6. Step 6: Final answer
    x = 19,928,486.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.