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Finding the Third Proportional to 243,615.09 and 374,933.81

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Solution

The third proportional to 243,615.09 and 374,933.81 is: 577,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,615.09 : 374,933.81 = 374,933.81 : x
  2. Step 2: Convert to fraction form
    243,615.09/374,933.81 = 374,933.81/x
  3. Step 3: Cross multiply
    243,615.09x = 374,933.81 × 374,933.81
  4. Step 4: Simplify right side
    243,615.09x = 140,575,363,755.79
  5. Step 5: Solve for x
    x = 140,575,363,755.79/243,615.09
  6. Step 6: Final answer
    x = 577,038.81

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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.