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Finding the Third Proportional to 495,559.50 and 787,646.25

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Solution

The third proportional to 495,559.50 and 787,646.25 is: 1,251,891.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,559.50 : 787,646.25 = 787,646.25 : x
  2. Step 2: Convert to fraction form
    495,559.50/787,646.25 = 787,646.25/x
  3. Step 3: Cross multiply
    495,559.50x = 787,646.25 × 787,646.25
  4. Step 4: Simplify right side
    495,559.50x = 620,386,615,139.06
  5. Step 5: Solve for x
    x = 620,386,615,139.06/495,559.50
  6. Step 6: Final answer
    x = 1,251,891.28

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.