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Finding the Third Proportional to 917,836 and 1,349,742

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Solution

The third proportional to 917,836 and 1,349,742 is: 1,984,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,836 : 1,349,742 = 1,349,742 : x
  2. Step 2: Convert to fraction form
    917,836/1,349,742 = 1,349,742/x
  3. Step 3: Cross multiply
    917,836x = 1,349,742 × 1,349,742
  4. Step 4: Simplify right side
    917,836x = 1,821,803,466,564
  5. Step 5: Solve for x
    x = 1,821,803,466,564/917,836
  6. Step 6: Final answer
    x = 1,984,889.97

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.