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Finding the Third Proportional to 1,284,075.50 and 2,782,143

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Solution

The third proportional to 1,284,075.50 and 2,782,143 is: 6,027,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,075.50 : 2,782,143 = 2,782,143 : x
  2. Step 2: Convert to fraction form
    1,284,075.50/2,782,143 = 2,782,143/x
  3. Step 3: Cross multiply
    1,284,075.50x = 2,782,143 × 2,782,143
  4. Step 4: Simplify right side
    1,284,075.50x = 7,740,319,672,449
  5. Step 5: Solve for x
    x = 7,740,319,672,449/1,284,075.50
  6. Step 6: Final answer
    x = 6,027,931.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.