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Finding the Third Proportional to 265,555.50 and 406,075.50

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Solution

The third proportional to 265,555.50 and 406,075.50 is: 620,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,555.50 : 406,075.50 = 406,075.50 : x
  2. Step 2: Convert to fraction form
    265,555.50/406,075.50 = 406,075.50/x
  3. Step 3: Cross multiply
    265,555.50x = 406,075.50 × 406,075.50
  4. Step 4: Simplify right side
    265,555.50x = 164,897,311,700.25
  5. Step 5: Solve for x
    x = 164,897,311,700.25/265,555.50
  6. Step 6: Final answer
    x = 620,952.35

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.