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Finding the Third Proportional to 13,721,192.50 and 18,814,354

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Solution

The third proportional to 13,721,192.50 and 18,814,354 is: 25,798,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,721,192.50 : 18,814,354 = 18,814,354 : x
  2. Step 2: Convert to fraction form
    13,721,192.50/18,814,354 = 18,814,354/x
  3. Step 3: Cross multiply
    13,721,192.50x = 18,814,354 × 18,814,354
  4. Step 4: Simplify right side
    13,721,192.50x = 353,979,916,437,316
  5. Step 5: Solve for x
    x = 353,979,916,437,316/13,721,192.50
  6. Step 6: Final answer
    x = 25,798,043.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.