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Finding the Third Proportional to 368,783.63 and 556,567.50

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Solution

The third proportional to 368,783.63 and 556,567.50 is: 839,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,783.63 : 556,567.50 = 556,567.50 : x
  2. Step 2: Convert to fraction form
    368,783.63/556,567.50 = 556,567.50/x
  3. Step 3: Cross multiply
    368,783.63x = 556,567.50 × 556,567.50
  4. Step 4: Simplify right side
    368,783.63x = 309,767,382,056.25
  5. Step 5: Solve for x
    x = 309,767,382,056.25/368,783.63
  6. Step 6: Final answer
    x = 839,970.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.