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Finding the Third Proportional to 760,438 and 1,661,106.50

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Solution

The third proportional to 760,438 and 1,661,106.50 is: 3,628,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,438 : 1,661,106.50 = 1,661,106.50 : x
  2. Step 2: Convert to fraction form
    760,438/1,661,106.50 = 1,661,106.50/x
  3. Step 3: Cross multiply
    760,438x = 1,661,106.50 × 1,661,106.50
  4. Step 4: Simplify right side
    760,438x = 2,759,274,804,342.25
  5. Step 5: Solve for x
    x = 2,759,274,804,342.25/760,438
  6. Step 6: Final answer
    x = 3,628,533.56

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.