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Finding the Third Proportional to 501.19 and 1,075.78

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Solution

The third proportional to 501.19 and 1,075.78 is: 2,309.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    501.19 : 1,075.78 = 1,075.78 : x
  2. Step 2: Convert to fraction form
    501.19/1,075.78 = 1,075.78/x
  3. Step 3: Cross multiply
    501.19x = 1,075.78 × 1,075.78
  4. Step 4: Simplify right side
    501.19x = 1,157,305.30
  5. Step 5: Solve for x
    x = 1,157,305.30/501.19
  6. Step 6: Final answer
    x = 2,309.13

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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.