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Finding the Third Proportional to 554,769 and 708,891.75

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Solution

The third proportional to 554,769 and 708,891.75 is: 905,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,769 : 708,891.75 = 708,891.75 : x
  2. Step 2: Convert to fraction form
    554,769/708,891.75 = 708,891.75/x
  3. Step 3: Cross multiply
    554,769x = 708,891.75 × 708,891.75
  4. Step 4: Simplify right side
    554,769x = 502,527,513,218.06
  5. Step 5: Solve for x
    x = 502,527,513,218.06/554,769
  6. Step 6: Final answer
    x = 905,832.00

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.