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Finding the Third Proportional to 620,175.50 and 1,335,365.50

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Solution

The third proportional to 620,175.50 and 1,335,365.50 is: 2,875,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,175.50 : 1,335,365.50 = 1,335,365.50 : x
  2. Step 2: Convert to fraction form
    620,175.50/1,335,365.50 = 1,335,365.50/x
  3. Step 3: Cross multiply
    620,175.50x = 1,335,365.50 × 1,335,365.50
  4. Step 4: Simplify right side
    620,175.50x = 1,783,201,018,590.25
  5. Step 5: Solve for x
    x = 1,783,201,018,590.25/620,175.50
  6. Step 6: Final answer
    x = 2,875,316.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.