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Finding the Third Proportional to 727,681 and 1,530,768

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Solution

The third proportional to 727,681 and 1,530,768 is: 3,220,161.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,681 : 1,530,768 = 1,530,768 : x
  2. Step 2: Convert to fraction form
    727,681/1,530,768 = 1,530,768/x
  3. Step 3: Cross multiply
    727,681x = 1,530,768 × 1,530,768
  4. Step 4: Simplify right side
    727,681x = 2,343,250,669,824
  5. Step 5: Solve for x
    x = 2,343,250,669,824/727,681
  6. Step 6: Final answer
    x = 3,220,161.95

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.