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Finding the Third Proportional to 753,553 and 1,138,009.50

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Solution

The third proportional to 753,553 and 1,138,009.50 is: 1,718,612.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,553 : 1,138,009.50 = 1,138,009.50 : x
  2. Step 2: Convert to fraction form
    753,553/1,138,009.50 = 1,138,009.50/x
  3. Step 3: Cross multiply
    753,553x = 1,138,009.50 × 1,138,009.50
  4. Step 4: Simplify right side
    753,553x = 1,295,065,622,090.25
  5. Step 5: Solve for x
    x = 1,295,065,622,090.25/753,553
  6. Step 6: Final answer
    x = 1,718,612.52

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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.