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Finding the Third Proportional to 10,209,426.75 and 15,816,087

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Solution

The third proportional to 10,209,426.75 and 15,816,087 is: 24,501,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209,426.75 : 15,816,087 = 15,816,087 : x
  2. Step 2: Convert to fraction form
    10,209,426.75/15,816,087 = 15,816,087/x
  3. Step 3: Cross multiply
    10,209,426.75x = 15,816,087 × 15,816,087
  4. Step 4: Simplify right side
    10,209,426.75x = 250,148,607,991,569
  5. Step 5: Solve for x
    x = 250,148,607,991,569/10,209,426.75
  6. Step 6: Final answer
    x = 24,501,729.05

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.