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Finding the Third Proportional to 917,574 and 1,975,763

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Solution

The third proportional to 917,574 and 1,975,763 is: 4,254,304.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,574 : 1,975,763 = 1,975,763 : x
  2. Step 2: Convert to fraction form
    917,574/1,975,763 = 1,975,763/x
  3. Step 3: Cross multiply
    917,574x = 1,975,763 × 1,975,763
  4. Step 4: Simplify right side
    917,574x = 3,903,639,432,169
  5. Step 5: Solve for x
    x = 3,903,639,432,169/917,574
  6. Step 6: Final answer
    x = 4,254,304.76

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.