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Finding the Third Proportional to 454,243.50 and 661,646.25

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Solution

The third proportional to 454,243.50 and 661,646.25 is: 963,746.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,243.50 : 661,646.25 = 661,646.25 : x
  2. Step 2: Convert to fraction form
    454,243.50/661,646.25 = 661,646.25/x
  3. Step 3: Cross multiply
    454,243.50x = 661,646.25 × 661,646.25
  4. Step 4: Simplify right side
    454,243.50x = 437,775,760,139.06
  5. Step 5: Solve for x
    x = 437,775,760,139.06/454,243.50
  6. Step 6: Final answer
    x = 963,746.89

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.