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Finding the Third Proportional to 245,655.56 and 520,835.25

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Solution

The third proportional to 245,655.56 and 520,835.25 is: 1,104,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,655.56 : 520,835.25 = 520,835.25 : x
  2. Step 2: Convert to fraction form
    245,655.56/520,835.25 = 520,835.25/x
  3. Step 3: Cross multiply
    245,655.56x = 520,835.25 × 520,835.25
  4. Step 4: Simplify right side
    245,655.56x = 271,269,357,642.56
  5. Step 5: Solve for x
    x = 271,269,357,642.56/245,655.56
  6. Step 6: Final answer
    x = 1,104,267.11

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.