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Finding the Third Proportional to 1,296,657 and 1,902,946.50

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Solution

The third proportional to 1,296,657 and 1,902,946.50 is: 2,792,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,657 : 1,902,946.50 = 1,902,946.50 : x
  2. Step 2: Convert to fraction form
    1,296,657/1,902,946.50 = 1,902,946.50/x
  3. Step 3: Cross multiply
    1,296,657x = 1,902,946.50 × 1,902,946.50
  4. Step 4: Simplify right side
    1,296,657x = 3,621,205,381,862.25
  5. Step 5: Solve for x
    x = 3,621,205,381,862.25/1,296,657
  6. Step 6: Final answer
    x = 2,792,724.20

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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.