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Finding the Third Proportional to 793,140 and 1,276,798

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Solution

The third proportional to 793,140 and 1,276,798 is: 2,055,391.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,140 : 1,276,798 = 1,276,798 : x
  2. Step 2: Convert to fraction form
    793,140/1,276,798 = 1,276,798/x
  3. Step 3: Cross multiply
    793,140x = 1,276,798 × 1,276,798
  4. Step 4: Simplify right side
    793,140x = 1,630,213,132,804
  5. Step 5: Solve for x
    x = 1,630,213,132,804/793,140
  6. Step 6: Final answer
    x = 2,055,391.40

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.