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Finding the Third Proportional to 873,102 and 1,312,902

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Solution

The third proportional to 873,102 and 1,312,902 is: 1,974,238.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,102 : 1,312,902 = 1,312,902 : x
  2. Step 2: Convert to fraction form
    873,102/1,312,902 = 1,312,902/x
  3. Step 3: Cross multiply
    873,102x = 1,312,902 × 1,312,902
  4. Step 4: Simplify right side
    873,102x = 1,723,711,661,604
  5. Step 5: Solve for x
    x = 1,723,711,661,604/873,102
  6. Step 6: Final answer
    x = 1,974,238.59

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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.