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Finding the Third Proportional to 889,538 and 1,310,779

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Solution

The third proportional to 889,538 and 1,310,779 is: 1,931,498.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,538 : 1,310,779 = 1,310,779 : x
  2. Step 2: Convert to fraction form
    889,538/1,310,779 = 1,310,779/x
  3. Step 3: Cross multiply
    889,538x = 1,310,779 × 1,310,779
  4. Step 4: Simplify right side
    889,538x = 1,718,141,586,841
  5. Step 5: Solve for x
    x = 1,718,141,586,841/889,538
  6. Step 6: Final answer
    x = 1,931,498.81

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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.