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Finding the Third Proportional to 668,393.25 and 1,005,784.50

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Solution

The third proportional to 668,393.25 and 1,005,784.50 is: 1,513,483.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,393.25 : 1,005,784.50 = 1,005,784.50 : x
  2. Step 2: Convert to fraction form
    668,393.25/1,005,784.50 = 1,005,784.50/x
  3. Step 3: Cross multiply
    668,393.25x = 1,005,784.50 × 1,005,784.50
  4. Step 4: Simplify right side
    668,393.25x = 1,011,602,460,440.25
  5. Step 5: Solve for x
    x = 1,011,602,460,440.25/668,393.25
  6. Step 6: Final answer
    x = 1,513,483.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.