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Finding the Third Proportional to 1,915,413.63 and 2,856,510.13

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Solution

The third proportional to 1,915,413.63 and 2,856,510.13 is: 4,259,993.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,413.63 : 2,856,510.13 = 2,856,510.13 : x
  2. Step 2: Convert to fraction form
    1,915,413.63/2,856,510.13 = 2,856,510.13/x
  3. Step 3: Cross multiply
    1,915,413.63x = 2,856,510.13 × 2,856,510.13
  4. Step 4: Simplify right side
    1,915,413.63x = 8,159,650,094,227.52
  5. Step 5: Solve for x
    x = 8,159,650,094,227.52/1,915,413.63
  6. Step 6: Final answer
    x = 4,259,993.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.