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Finding the Third Proportional to 798,140 and 1,722,888

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Solution

The third proportional to 798,140 and 1,722,888 is: 3,719,075.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,140 : 1,722,888 = 1,722,888 : x
  2. Step 2: Convert to fraction form
    798,140/1,722,888 = 1,722,888/x
  3. Step 3: Cross multiply
    798,140x = 1,722,888 × 1,722,888
  4. Step 4: Simplify right side
    798,140x = 2,968,343,060,544
  5. Step 5: Solve for x
    x = 2,968,343,060,544/798,140
  6. Step 6: Final answer
    x = 3,719,075.68

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.