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Finding the Third Proportional to 556,291.50 and 755,673

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Solution

The third proportional to 556,291.50 and 755,673 is: 1,026,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,291.50 : 755,673 = 755,673 : x
  2. Step 2: Convert to fraction form
    556,291.50/755,673 = 755,673/x
  3. Step 3: Cross multiply
    556,291.50x = 755,673 × 755,673
  4. Step 4: Simplify right side
    556,291.50x = 571,041,682,929
  5. Step 5: Solve for x
    x = 571,041,682,929/556,291.50
  6. Step 6: Final answer
    x = 1,026,515.20

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.