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Finding the Third Proportional to 243,657 and 375,000.75

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Solution

The third proportional to 243,657 and 375,000.75 is: 577,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,657 : 375,000.75 = 375,000.75 : x
  2. Step 2: Convert to fraction form
    243,657/375,000.75 = 375,000.75/x
  3. Step 3: Cross multiply
    243,657x = 375,000.75 × 375,000.75
  4. Step 4: Simplify right side
    243,657x = 140,625,562,500.56
  5. Step 5: Solve for x
    x = 140,625,562,500.56/243,657
  6. Step 6: Final answer
    x = 577,145.59

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.